小學(xué)數(shù)字教學(xué)儀器目錄三角板等
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最后更新：2024-06-05
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產(chǎn)品詳細(xì)介紹<p>
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<td class="et10" height="17" width="67">
編號
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名稱
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技術(shù)規(guī)范及要求
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數(shù)學(xué)
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</td>
<td class="et14" width="339">
</td>
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<tr>
<td class="et15" height="17" width="67">
0
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<td class="et16" width="165">
通用（略）
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<td class="et18" height="21" width="67">
00
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<td class="et19" width="165">
視聽（略）
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</td>
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<tr>
<td class="et15" height="17" width="67">
01
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計算機（部分）
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<td class="et14" width="339">
<span> </span>
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01012
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<td class="et21" width="165">
計算器<span class="font6"><span> </span></span><span class="font5">簡易型</span>
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<td class="et20" width="339">
1<span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">具有不少于</span><span class="font8">27</span><span class="font10">種按鍵符號；<br />
</span><span class="font8">2</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">計算功能的操作順序應(yīng)與書寫順序基本一致；<br />
</span><span class="font8">3</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">除指示信號和科學(xué)計數(shù)之外的顯示字符應(yīng)不小于小四號字；<br />
</span><span class="font8">4</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">在停止按鍵</span><span class="font8">5min~10min</span><span class="font10">之間能自動關(guān)機，關(guān)機后除存儲數(shù)據(jù)繼續(xù)保留外，其余存儲的信息與內(nèi)容應(yīng)全部自動清除；<br />
</span><span class="font8">5</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">十進制字長不少于</span><span class="font8">10</span><span class="font10">位；<br />
</span><span class="font8">6</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">在進行分?jǐn)?shù)運算時分?jǐn)?shù)線應(yīng)顯示為橫線，橫線長不小于字寬；<br />
</span><span class="font8">7</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">應(yīng)為雙行顯示，一行顯示計算式，一行顯示結(jié)果；<br />
8．應(yīng)具有修改算式功能；<br />
</span><span class="font8">9</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">存儲器應(yīng)不少于</span><span class="font8">6</span><span class="font10">個；<br />
</span><span class="font8">10</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">數(shù)字鍵的上表面積應(yīng)不小于</span><span class="font8">40mm</span><span class="font12">2</span><span class="font10">，功能符號鍵的上表面積應(yīng)不小于</span><span class="font8">24mm</span><span class="font12">2</span><span class="font10">；<br />
</span><span class="font8">11</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">在未按動按鍵時，按鍵高出鍵盤表面的高度應(yīng)大于按鍵行程。</span><span class="font8"><br />
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02
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<td class="et16" width="165">
一般
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</td>
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1
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測量
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<td class="et17" width="339">
</td>
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<td class="et15" height="17" width="67">
10
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<td class="et16" width="165">
長度
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<td class="et17" width="339">
</td>
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<td class="et15" height="96" width="67">
10007
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<td class="et21" width="165">
軟尺
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<td class="et14" width="339">
1<span class="font5">．材料為軟塑料，用于中小學(xué)測量非直線長度；</span><span class="font6"><br />
2</span><span class="font5">．長度為</span><span class="font6">2000mm</span><span class="font5">，基本測量單位為厘米，分度值</span><span class="font6">1mm</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．軟尺兩端用防銹處理后的金屬片封邊；</span><span class="font6"><br />
4</span><span class="font5">．軟尺表面印制的刻度線能長久保持，測量精度準(zhǔn)確，不斷線等。</span><span class="font6"><br />
</span>
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<td class="et15" height="80" width="67">
10008
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<td class="et21" width="165">
卷尺
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<td class="et14" width="339">
1<span class="font5">．量程</span><span class="font6">20m</span><span class="font5">，分度值</span><span class="font6">1cm</span><span class="font5">，盒裝，紡布材料伸縮小，內(nèi)有</span><span class="font6">0.3mm</span><span class="font5">鋼絲，起點零刻度線；</span><span class="font6"><br />
2</span><span class="font5">．在尺帶或尺盒上應(yīng)標(biāo)明全長、制造廠名（或商標(biāo)），數(shù)字和文字清晰、工整，有國家計量標(biāo)志。</span><span class="font6"><br />
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<td class="et15" height="17" width="67">
11
</td>
<td class="et16" width="165">
質(zhì)量
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<td class="et17" width="339">
</td>
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<tr>
<td class="et15" height="492" width="67">
11006
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<td class="et21" width="165">
演示天平
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<td class="et14" width="339">
1<span class="font5">．托盤天平：</span><span class="font6"><span> </span></span><span class="font5">最大稱量</span><span class="font6">500g</span><span class="font5">，分度值</span><span class="font6">1g</span><span class="font5">，（</span><span class="font6">4</span><span class="font5">等砝碼、</span><span class="font6">9</span><span class="font5">級天平）砝碼包含：</span><span class="font6">10g</span><span class="font5">一個，</span><span class="font6">20g</span><span class="font5">兩個，</span><span class="font6">50g</span><span class="font5">一個，</span><span class="font6">100g</span><span class="font5">兩個，</span><span class="font6">200g</span><span class="font5">一個；</span><span class="font6"><br />
2</span><span class="font5">．構(gòu)造：由托盤、橫梁、平衡螺母、刻度尺、指針、刀口、底座、分度標(biāo)尺、游碼、砝碼、鑷子等組成；</span><span class="font6"><br />
3</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">砝碼組合的總質(zhì)量（包括標(biāo)尺計量值）應(yīng)不小于天平的最大秤量；</span><span class="font6"><br />
4</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">沖壓件及鑄件表面應(yīng)光潔平整，不應(yīng)有毛刺、鋒棱、裂紋和顯見砂眼；</span><span class="font6"><br />
5</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">電鍍件的鍍層應(yīng)色澤均勻，不應(yīng)有露底和顯見的麻點、水跡、擦傷等缺陷；</span><span class="font6"><br />
6</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">油漆件表面應(yīng)平整光滑，色澤均勻，不應(yīng)有露底、起泡、掛漆、擦傷等缺陷；</span><span class="font6"><br />
7</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">游碼尺刻線、指示盤刻線應(yīng)清晰、均勻；</span><span class="font6"><br />
8</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">游碼尺不應(yīng)有彎曲變形，指示值不應(yīng)有翹曲及傾斜，指針不能有彎曲或斷殘；</span><span class="font6"><br />
9</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">天平的兩個托盤應(yīng)干凈、完整；</span><span class="font6"><br />
10</span><span class="font5">．天平支架不應(yīng)有彎曲變形，其它部分不能有影響功能外觀缺陷；</span><span class="font6"><br />
11</span><span class="font5">．游碼沿游碼尺身移動順暢，不應(yīng)有卡住或過于松動現(xiàn)象；</span><span class="font6"><br />
12</span><span class="font5">．微調(diào)旋鈕能順暢進退，并能對天平左右兩盤平衡起到調(diào)節(jié)作用；</span><span class="font6"><br />
13</span><span class="font5">．天平支架左右擺動靈活；</span><span class="font6"><br />
14</span><span class="font5">．偏載準(zhǔn)確度要求：示值誤差應(yīng)界于</span><span class="font6">±d</span><span class="font5">之間（</span><span class="font6">d</span><span class="font5">為最小分度值）。校驗方法：調(diào)整架盤天平平衡后，在天平右盤中央放置一個</span><span class="font6">100g</span><span class="font5">標(biāo)準(zhǔn)砝碼，在天平左盤放一個</span><span class="font6">100g</span><span class="font5">標(biāo)準(zhǔn)砝碼于不同的四個偏心位置，若天平能重新平衡，觀察游碼的位置，游碼所示量值偏載誤差值；若游碼處于零刻度線位置，天平仍不能重新平衡，觀察指針偏移指示盤的位置，指針偏移所指示的量值為偏載誤差值。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="223" width="67">
11007
</td>
<td class="et12" width="165">
簡易天平
</td>
<td class="et14" width="339">
1<span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">量程</span><span class="font6">200g</span><span class="font5">，分度值：</span><span class="font6">1g</span><span class="font5">；<br />
</span><span class="font6">2</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">產(chǎn)品由底座、橫梁、托盤、游碼、槽碼等組成；底座、橫梁、托盤均采用工程塑料制作，底座外形尺寸約</span><span class="font6">108mm×86mm×80mm</span><span class="font5">，橫梁長約</span><span class="font6">265mm</span><span class="font5">，托盤尺寸</span><span class="font6">77mm×60mm</span><span class="font5">；<br />
</span><span class="font6">3</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">游碼及槽碼采用金屬材料制作，槽碼包括：</span><span class="font6">20g</span><span class="font5">槽碼</span><span class="font6">8</span><span class="font5">個，</span><span class="font6">10g</span><span class="font5">槽碼</span><span class="font6">4</span><span class="font5">個；<br />
</span><span class="font6">4</span><span class="font5">．靈敏度：空盤時向左或右盤加載</span><span class="font6">1.5g</span><span class="font5">，杠桿明顯偏斜；全載時向左或右盤加載</span><span class="font6">10g</span><span class="font5">、扛桿明顯偏斜；<br />
</span><span class="font6">5</span><span class="font5">．片碼為鋼制，數(shù)量不少于</span><span class="font6">10</span><span class="font5">枚，表面鍍鉻，標(biāo)稱質(zhì)量允差≤</span><span class="font6">±0.5g</span><span class="font5">或每片的最大質(zhì)量減最小質(zhì)量允差≤</span><span class="font6">0.5g</span><span class="font5">；<br />
</span><span class="font6">6</span><span class="font5">．簡易天平組裝后應(yīng)有足夠的穩(wěn)度并便于調(diào)整、安放和實驗操作。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="80" width="67">
11019
</td>
<td class="et21" width="165">
彈簧度盤秤
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<td class="et17" width="339">
1<span class="font5">．范圍：</span><span class="font6">1kg/5g</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．材質(zhì)：</span><span class="font6">PP</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．尺寸：長寬高約</span><span class="font6">15×15×21</span><span class="font5">厘米；</span><span class="font6"><br />
4</span><span class="font5">．指針式，零點可調(diào)。</span><span class="font6"><br />
</span>
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<tr>
<td class="et15" height="30" width="67">
11023
</td>
<td class="et21" width="165">
彈簧秤
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<td class="et23" width="339">
材質(zhì)：金屬，圓形， 測量范圍：2.5kgf， 最小分度值約50gf。
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<td class="et15" height="17" width="67">
12
</td>
<td class="et16" width="165">
時間
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="222" width="67">
12003
</td>
<td class="et21" width="165">
電子停表
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<td class="et20" width="339">
1<span class="font10">．教學(xué)用電子秒表，采用電子芯片，電池電壓為</span><span class="font8">1</span><span class="font10">．</span><span class="font8">5V</span><span class="font10">；數(shù)據(jù)可精確到</span><span class="font8">0.01s</span><span class="font10">；</span><span class="font8"><span> </span></span><span class="font10">以扣式電池為能源的液晶數(shù)字式金屬殼石英秒表；</span><span class="font8"><br />
2</span><span class="font10">．具有秒表（最小讀數(shù)</span><span class="font8">1/100</span><span class="font10">秒）、</span><span class="font8">10</span><span class="font10">段存儲顯示、定時器、節(jié)拍器、時鐘和定時鬧響功能；</span><span class="font8"><br />
3</span><span class="font10">．秒表具有每小時報時，每日定時響鬧及自動重響功能，應(yīng)可顯示時間，</span><span class="font8">12</span><span class="font10">及</span><span class="font8">24</span><span class="font10">小時制式，日歷、星期、防水，防震結(jié)構(gòu)等功能；</span><span class="font8"><br />
4</span><span class="font10">．外包裝應(yīng)采用防潮、防塵的硬紙盒包裝；機芯在表殼組件中應(yīng)穩(wěn)固，液晶屏顯示清晰、表面無傷、印字清楚正確、表殼與表后蓋的配合應(yīng)緊密，不得有明顯的縫隙；表殼外棱角無鋒利感；鍍層配件無氣泡，不脫落；</span><span class="font8"><br />
5</span><span class="font10">．應(yīng)符合</span><span class="font8"><span> </span>QB/T<span> </span>1908-93</span><span class="font10">《電子停表》中規(guī)定的技術(shù)要求。</span><span class="font8"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
2
</td>
<td class="et16" width="165">
專用儀器
</td>
<td class="et17" width="339">
</td>
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<tr>
<td class="et15" height="17" width="67">
20
</td>
<td class="et16" width="165">
數(shù)學(xué)
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="223" width="67">
20001
</td>
<td class="et21" width="165">
三角板
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<td class="et20" width="339">
1<span class="font10">．演示用</span><span class="font8">60°</span><span class="font10">、</span><span class="font8">45°</span><span class="font10">各</span><span class="font8">1</span><span class="font10">塊；</span><span class="font8"><br />
2</span><span class="font10">．</span><span class="font8">ABS</span><span class="font10">工程塑料制作（或木質(zhì)），尺身帶把手；</span><span class="font8"><br />
3</span><span class="font10">．等腰直角三角形，其斜邊長為</span><span class="font8">580mm</span><span class="font10">，兩底角為</span><span class="font8">45</span><span class="font10">度；</span><span class="font8"><br />
4</span><span class="font10">．直角三角形的長直角邊為</span><span class="font8">580mm</span><span class="font10">，但與斜邊的夾角為</span><span class="font8">30</span><span class="font10">度，另一底角為</span><span class="font8">60</span><span class="font10">度，所有角度誤差不超過</span><span class="font8">±2</span><span class="font10">度；</span><span class="font8"><br />
5</span><span class="font10">．三角板邊寬不小于</span><span class="font8">40mm</span><span class="font10">，厚不小于</span><span class="font8">5mm</span><span class="font10">，除在等腰直角三角板的斜邊上和直角三角板的長直角邊上印有刻線數(shù)碼外，其斜邊上也印有刻線，有效示值全長為</span><span class="font8">60cm</span><span class="font10">，最小刻為</span><span class="font8">0.5cm</span><span class="font10">，每</span><span class="font8">1cm</span><span class="font10">的刻度線上標(biāo)有刻度數(shù)碼；</span><span class="font8"><br />
6</span><span class="font10">．三角板平面度誤差不超過</span><span class="font8">1mm</span><span class="font10">，各邊的直線度誤差不超過</span><span class="font8">1mm</span><span class="font10">；</span><span class="font8"><br />
7</span><span class="font10">．三角板的刻度線應(yīng)垂直達到尺邊，刻線和數(shù)碼應(yīng)清晰、正確，不得有重線、斷線、缺字。</span><span class="font8"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="224" width="67">
20502
</td>
<td class="et21" width="165">
圓規(guī)
</td>
<td class="et14" width="339">
1<span class="font5">．演示用，由圓規(guī)腳、粉筆夾、三爪式圓心定位器和緊固螺栓等組成；</span><span class="font6"><br />
2</span><span class="font5">．圓規(guī)腳用塑料制作，表面平整、挺直、無毛刺；木材質(zhì)無裂紋、無傷疤</span><span class="font6"><span> </span></span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．表面涂淺黃色漆，漆層平整光潔、色調(diào)美觀、厚薄均勻、有足夠的附著力，在主要表面上沒有流掛、針孔、起泡等缺陷；</span><span class="font6"><br />
4</span><span class="font5">．粉筆夾夾持粉筆方便，使用時粉筆不脫落；</span><span class="font6"><br />
5</span><span class="font5">．三爪式吸盤圓心定位器橡皮腳便于定位，可準(zhǔn)確確定圓心，不打滑，畫圓時不移動，不損傷黑板表面；</span><span class="font6"><br />
6</span><span class="font5">．緊固螺栓調(diào)節(jié)方便，止緊可靠；</span><span class="font6"><br />
7</span><span class="font5">．張角范圍</span><span class="font6">0°~70°</span><span class="font5">，可作直徑</span><span class="font6">40m~900mm</span><span class="font5">的圓；</span><span class="font6"><br />
8</span><span class="font5">．圓規(guī)腳長</span><span class="font6">400mm</span><span class="font5">，一支端點附粉筆夾，另一支配圓心定位器（橡皮腳）。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="112" width="67">
20004
</td>
<td class="et21" width="165">
量角器
</td>
<td class="et20" width="339">
1<span class="font10">．用</span><span class="font8">ABS</span><span class="font10">工程塑料（或木質(zhì)）制作，圓弧標(biāo)有以度為單位的角度刻度，直邊有以</span><span class="font8">cm</span><span class="font10">為單位的長度刻度；</span><span class="font8"><br />
2</span><span class="font10">．外形尺寸：</span><span class="font8">450mm ~600mm</span><span class="font10">，產(chǎn)品帶把手；</span><span class="font8"><br />
3</span><span class="font10">．刻線和數(shù)字排列整齊端正，刻線粗細(xì)均勻，線寬為</span><span class="font8">1mm</span><span class="font10">；</span><span class="font8"><br />
4</span><span class="font10">．角度誤差不超過</span><span class="font8">1°</span><span class="font10">，長度誤差不超過</span><span class="font8">2mm</span><span class="font10">，平面度誤差不超過</span><span class="font8">2mm</span><span class="font10">。</span><span class="font8"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="220" width="67">
20501
</td>
<td class="et21" width="165">
專用直尺
</td>
<td class="et14" width="339">
1<span class="font5">．量程</span><span class="font6">1m</span><span class="font5">，</span><span class="font6">m</span><span class="font5">、</span><span class="font6">dm</span><span class="font5">、</span><span class="font6">cm</span><span class="font5">、</span><span class="font6">mm</span><span class="font5">四種單位，起點零刻度線；<br />
</span><span class="font6">2</span><span class="font5">．木質(zhì)或亞克力材質(zhì)，厚度</span><span class="font6">5mm</span><span class="font5">寬度</span><span class="font6">30mm</span><span class="font5">，刻度清晰，不容易磨損；<br />
</span><span class="font6">3</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">刻線和數(shù)字排列整齊端正；刻線粗細(xì)應(yīng)一致，厘米刻線線寬為</span><span class="font6">1.5</span><span class="font5">mm，線長為</span><span class="font6">15</span><span class="font5">mm；每</span><span class="font6">5</span><span class="font5">cm的刻線為</span><span class="font6">20</span><span class="font5">mm；尺面上線或數(shù)字允許有不明顯的局部微糊或缺斷，但全尺不多于二處；<br />
</span><span class="font6">4</span><span class="font5">．選用無節(jié)疤、無裂紋并經(jīng)脫脂干燥處理的木材制造，尺面漆層均勻、整潔，表面無傷痕，據(jù)斷面無毛刺，邊角倒鈍；卡腳移動無卡死或脫落現(xiàn)象；<br />
</span><span class="font6">5</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">刻度誤差為每</span><span class="font6">100</span><span class="font5">mm內(nèi)的累計數(shù)差不超過</span><span class="font6">1</span><span class="font5">mm，全長累計誤差不超過</span><span class="font6">2</span><span class="font5">mm；<br />
</span><span class="font6">6</span><span class="font5">．尺的表面應(yīng)平整挺直，平面度不大于</span><span class="font6">3</span><span class="font5">毫米，尺邊直線度不大于</span><span class="font6">2</span><span class="font5">mm。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="64" width="67">
20505
</td>
<td class="et21" width="165">
標(biāo)桿
</td>
<td class="et17" width="339">
1.6m<span class="font5">，頭部為長</span><span class="font6">100mm</span><span class="font5">鐵錐頭，長度不小于</span><span class="font6">100mm</span><span class="font5">，木質(zhì)部分有長</span><span class="font6">160mm</span><span class="font5">的紅白相間的色環(huán)構(gòu)成，直徑不小于</span><span class="font6">30mm</span><span class="font5">，表面光滑無毛刺、無凹陷。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="32" width="67">
20506
</td>
<td class="et21" width="165">
測繩
</td>
<td class="et17" width="339">
50m<span class="font5">；內(nèi)部有不少于</span><span class="font6">4</span><span class="font5">根直徑</span><span class="font6">0.3mm</span><span class="font5">鋼絲，外部為雙層棉線紡織而成；總直徑不小于</span><span class="font6">3</span><span class="font5">.</span><span class="font6">5mm</span><span class="font5">，兩端有拉環(huán)。</span>
</td>
</tr>
<tr>
<td class="et15" height="31" width="67">
20507
</td>
<td class="et21" width="165">
塑料球
</td>
<td class="et23" width="339">
三種顏色，外徑不小于<span class="font6">15mm</span><span class="font5">，配</span><span class="font6">150mm×200mm</span><span class="font5">不透明可縮口布袋。</span>
</td>
</tr>
<tr>
<td class="et15" height="31" width="67">
20508
</td>
<td class="et21" width="165">
塑料小球
</td>
<td class="et23" width="339">
五種顏色，外徑不小于<span class="font6">5mm</span><span class="font5">，配</span><span class="font6">150mm×200mm</span><span class="font5">不透明可縮口布袋。</span>
</td>
</tr>
<tr>
<td class="et15" height="45" width="67">
20509
</td>
<td class="et21" width="165">
計數(shù)片
</td>
<td class="et23" width="339">
圓形不小于Φ25mm，正方形 不小于25mm×25mm，正三角形邊長不小于25mm，<span> </span>各片厚不小于2mm，材質(zhì)為PVC。<br />
</td>
</tr>
<tr>
<td class="et15" height="240" width="67">
20510
</td>
<td class="et12" width="165">
豎式計數(shù)器
</td>
<td class="et14" width="339">
1<span class="font5">．演示用，三檔；規(guī)格為：個、十、百三檔；</span><span class="font6"><br />
2</span><span class="font5">．算珠為菱珠式，算珠膠合牢固，在正常運輸和使用時不得開裂；</span><span class="font6"><br />
3</span><span class="font5">．計數(shù)器能垂直放置在水平的桌面上，算珠與擋板反差明顯；</span><span class="font6"><br />
4</span><span class="font5">．算珠桿應(yīng)有足夠的強度，外表平整光滑，排列均勻，定位牢固。豎式計數(shù)器的算珠桿應(yīng)承受</span><span class="font6">5N</span><span class="font5">以上的拉力；</span><span class="font6"><br />
5</span><span class="font5">．算珠在算珠桿上排列整齊，移動方便，撥動靈活；</span><span class="font6"><br />
6</span><span class="font5">．計數(shù)器應(yīng)結(jié)構(gòu)牢固，表面平整，觀察部位突出鮮明，檔板高（寬）度應(yīng)能遮檔全部算珠；</span><span class="font6"><br />
7</span><span class="font5">．演示計數(shù)器兩桿間距不小于</span><span class="font6">45mm</span><span class="font5">，算珠桿直徑為</span><span class="font6">4mm</span><span class="font5">；</span><span class="font6"><br />
8</span><span class="font5">．木制件應(yīng)選用無節(jié)疤并經(jīng)脫脂干燥處理的木材，含水量應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.22</span><span class="font5">條要求，塑料件應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.21</span><span class="font5">條要求；</span><span class="font6"><br />
9</span><span class="font5">．金屬件表面防銹處理，防銹層牢固；木制件外表涂漆，漆層光滑均勻；塑料件表面平整清潔。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="240" width="67">
20511
</td>
<td class="et12" width="165">
豎式計數(shù)器
</td>
<td class="et14" width="339">
1<span class="font5">．演示用，五檔；規(guī)格為：個、十、百、千、萬五檔；</span><span class="font6"><br />
2</span><span class="font5">．算珠為菱珠式，算珠膠合牢固，在正常運輸和使用時不得開裂；</span><span class="font6"><br />
3</span><span class="font5">．計數(shù)器能垂直放置在水平的桌面上，算珠與擋板反差明顯；</span><span class="font6"><br />
4</span><span class="font5">．算珠桿應(yīng)有足夠的強度，外表平整光滑，排列均勻，定位牢固。豎式計數(shù)器的算珠桿應(yīng)承受</span><span class="font6">5N</span><span class="font5">以上的拉力；</span><span class="font6"><br />
5</span><span class="font5">．算珠在算珠桿上排列整齊，移動方便，撥動靈活；</span><span class="font6"><br />
6</span><span class="font5">．計數(shù)器應(yīng)結(jié)構(gòu)牢固，表面平整，觀察部位突出鮮明，檔板高（寬）度應(yīng)能遮檔全部算珠；</span><span class="font6"><br />
7</span><span class="font5">．演示計數(shù)器兩桿間距不小于</span><span class="font6">45mm</span><span class="font5">，算珠桿直徑為</span><span class="font6">4mm</span><span class="font5">；</span><span class="font6"><br />
8</span><span class="font5">．木制件應(yīng)選用無節(jié)疤并經(jīng)脫脂干燥處理的木材，含水量應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.22</span><span class="font5">條要求，塑料件應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.21</span><span class="font5">條要求；</span><span class="font6"><br />
9</span><span class="font5">．金屬件表面防銹處理，防銹層牢固；木制件外表涂漆，漆層光滑均勻；塑料件表面平整清潔。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="240" width="67">
20512
</td>
<td class="et12" width="165">
豎式計數(shù)器
</td>
<td class="et14" width="339">
1<span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">學(xué)生用五檔，規(guī)格為：個、十、百、千、萬五檔；</span><span class="font6"><br />
2</span><span class="font5">．算珠為菱珠式，算珠膠合牢固，在正常運輸和使用時不得開裂；</span><span class="font6"><br />
3</span><span class="font5">．計數(shù)器能垂直放置在水平的桌面上，算珠與擋板反差明顯；</span><span class="font6"><br />
4</span><span class="font5">．算珠桿應(yīng)有足夠的強度，外表平整光滑，排列均勻，定位牢固。豎式計數(shù)器的算珠桿應(yīng)承受</span><span class="font6">5N</span><span class="font5">以上的拉力；</span><span class="font6"><br />
5</span><span class="font5">．算珠在算珠桿上排列整齊，移動方便，撥動靈活；</span><span class="font6"><br />
6</span><span class="font5">．計數(shù)器應(yīng)結(jié)構(gòu)牢固，表面平整，觀察部位突出鮮明，檔板高（寬）度應(yīng)能遮檔全部算珠；</span><span class="font6"><br />
7</span><span class="font5">．學(xué)生計數(shù)器兩桿間距不小于</span><span class="font6">30mm</span><span class="font5">，算珠桿直徑為</span><span class="font6">2.5mm</span><span class="font5">；</span><span class="font6"><br />
8</span><span class="font5">．木制件應(yīng)選用無節(jié)疤并經(jīng)脫脂干燥處理的木材，含水量應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.22</span><span class="font5">條要求，塑料件應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.21</span><span class="font5">條要求；</span><span class="font6"><br />
9</span><span class="font5">．金屬件表面防銹處理，防銹層牢固；木制件外表涂漆，漆層光滑均勻；塑料件表面平整清潔。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="283" width="67">
20513
</td>
<td class="et12" width="165">
演示算盤
</td>
<td class="et14" width="339">
1.<span> </span><span class="font5">算盤的位數(shù)不少于</span><span class="font6">13</span><span class="font5">位；</span><span class="font6"><br />
2.<span> </span></span><span class="font5">算盤以算珠在中梁上下顆數(shù)分布為上二下五；</span><span class="font6"><br />
3.<span> </span></span><span class="font5">框架要平整光潔，豎框與橫框、中梁應(yīng)垂直，不得有明顯的變形和松動。木結(jié)構(gòu)要牢固不開膠，有金屬包角，漆層光滑均勻；塑料框架無明顯氣泡、雜色和凹凸不平；金屬結(jié)構(gòu)配合間隙不大于</span><span class="font6">0.3mm</span><span class="font5">。木框架應(yīng)選用無裂痕、無疤節(jié)、并經(jīng)脫脂干燥處理的木材，含水率不超過</span><span class="font6">JY 0001</span><span class="font5">第</span><span class="font6">5.22</span><span class="font5">條的要求；</span><span class="font6"><br />
4.<span> </span></span><span class="font5">算珠的顏色應(yīng)一至，并與框架位桿的顏色反差明顯，配色美觀。</span><span class="font6"><span> </span></span><span class="font5">算珠不得因正常使用和運輸而脫落和開裂。算珠在位桿上應(yīng)安裝端正，松緊適度，撥動靈活，可任意定位，定位后不移動。使用壽命不少于</span><span class="font6">75000</span><span class="font5">次；</span><span class="font6"><br />
5.<span> </span></span><span class="font5">檔位桿可測部分全長不少于</span><span class="font6">200mm</span><span class="font5">，兩桿中心距不小于</span><span class="font6">42mm</span><span class="font5">。檔位桿應(yīng)粗細(xì)均勻，光滑平直。竹桿應(yīng)無明顯傷痕、無蛀蝕、無竹節(jié)；金屬桿表面光潔、無銹蝕；塑料桿應(yīng)有足夠的強度；</span><span class="font6"><br />
6.<span> </span></span><span class="font5">塑料算盤應(yīng)能適應(yīng)氣溫在</span><span class="font6">40</span><span class="font5">℃，相對濕度為</span><span class="font6">95%</span><span class="font5">的環(huán)境條件下貯存，不得有明顯變形和開裂。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="61" width="67">
20514
</td>
<td class="et21" width="165">
計數(shù)棒
</td>
<td class="et23" width="339">
演示用，每<span class="font6">10</span><span class="font5">根一捆，</span><span class="font6">10</span><span class="font5">捆，長度不小于</span><span class="font6">100mm</span><span class="font5">圓柱體形小棒，塑料表面要求圓滑，顏色鮮艷，無毛刺、氣泡、傷痕等缺陷；符合環(huán)保要求無異味，無毒。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="61" width="67">
20515
</td>
<td class="et21" width="165">
計數(shù)棍
</td>
<td class="et23" width="339">
學(xué)生用，長不小于<span class="font6">100mm</span><span class="font5">，外徑不小于</span><span class="font6">1</span><span class="font5">．</span><span class="font6">2mm</span><span class="font5">；塑料表面要求圓滑，顏色鮮艷，無毛刺、氣泡、傷痕等缺陷；符合環(huán)保要求無異味，無毒。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="95" width="67">
20516
</td>
<td class="et12" width="165">
釘板
</td>
<td class="et17" width="339">
1<span class="font5">．由釘板、橡皮圈等組成，長</span><span class="font6">×</span><span class="font5">寬為</span><span class="font6">590mm×390mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．板面有等分方格每相鄰方格涂不同色，在各方格的交點處嵌有小釘，板的背面無釘頭露出；釘子無明顯的偏位、歪斜；釘子掛上橡皮圈后，無松動、歪斜，橡皮圈無明顯接頭；</span><span class="font6"><br />
3</span><span class="font5">．方格線清晰、整齊、粗細(xì)一致。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="31" width="67">
20517
</td>
<td class="et12" width="165">
釘板
</td>
<td class="et23" width="339">
規(guī)格：<span class="font6">200mm×200mm</span><span class="font5">；透明ABS防腐材質(zhì)，四根橡皮</span><span class="font6"><span> </span></span><span class="font5">隨意組合圖形。</span>
</td>
</tr>
<tr>
<td class="et15" height="63" width="67">
20518
</td>
<td class="et12" width="165">
釘板
</td>
<td class="et23" width="339">
學(xué)生用，不小于<span class="font6">140mm×140mm</span><span class="font5">；一側(cè)釘距為</span><span class="font6">20mm</span><span class="font5">正方形分布，一側(cè)為直徑不小于</span><span class="font6">120mm</span><span class="font5">的圓形分布；釘直徑約</span><span class="font6">3mm</span><span class="font5">，高度為約</span><span class="font6">6mm</span><span class="font5">。<br />
</span>
</td>
</tr>
<tr>
<td class="et24" height="112">
20519
</td>
<td class="et25" width="165">
大型積木
</td>
<td class="et17" width="339">
1<span class="font5">．大型積木中任一塊的任一邊長（或直徑）尺寸不得大于</span><span class="font6">800mm<span> </span></span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．大型積木每塊的質(zhì)量不大于</span><span class="font6">4kg</span><span class="font5">；</span><span class="font6"><span> </span><br />
3</span><span class="font5">．大型積木承截量不小于</span><span class="font6">50kg</span><span class="font5">；</span><span class="font6"><span> </span><br />
4</span><span class="font5">．大型積木應(yīng)結(jié)實耐用，不得因正常使用和運輸而發(fā)生變形和破損。</span><span class="font6"><span> </span><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="62" width="67">
20520
</td>
<td class="et21" width="165">
塑料插接塊
</td>
<td class="et23" width="339">
外部為<span class="font6">10mm×10mm</span><span class="font5">的正方形，卯榫部位為</span><span class="font6">3mm×3mm×3mm</span><span class="font5">；六面為</span><span class="font6">1</span><span class="font5">平、</span><span class="font6">1</span><span class="font5">凸、</span><span class="font6">4</span><span class="font5">凹；卯榫緊密；除卯榫部位外，其余部分光滑平整，無變形。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="62" width="67">
20521
</td>
<td class="et21" width="165">
塑料連接鏈
</td>
<td class="et23" width="339">
環(huán)的直徑不小于<span class="font6">30mm</span><span class="font5">，卯榫接插部位的外徑不小于</span><span class="font6">3mm</span><span class="font5">，卯榫部位直徑為</span><span class="font6">1mm</span><span class="font5">；材料直徑不小于</span><span class="font6">3mm</span><span class="font5">；材料有一定的強度，保證不容易斷裂和變形。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="47" width="67">
20522
</td>
<td class="et21" width="165">
數(shù)字骰子
</td>
<td class="et23" width="339">
材料為高強度白色耐磨樹脂；尺寸不小于<span class="font6">12mm×12mm×12mm</span><span class="font5">，每個側(cè)面上有不同的數(shù)字，不少于</span><span class="font6">3</span><span class="font5">個。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="31" width="67">
20523
</td>
<td class="et21" width="165">
空白骰子
</td>
<td class="et23" width="339">
尺寸不小于<span class="font6">12mm×12mm×12mm</span><span class="font5">，不少于</span><span class="font6">2</span><span class="font5">個，材料為高強度白色耐磨樹脂。</span>
</td>
</tr>
<tr>
<td class="et15" height="176" width="67">
20524
</td>
<td class="et21" width="165">
數(shù)字轉(zhuǎn)盤
</td>
<td class="et17" width="339">
1<span class="font5">．盤面直徑為</span><span class="font6">150mm</span><span class="font5">，厚度為</span><span class="font6">4mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．以圓心為中心將轉(zhuǎn)盤分區(qū)，分為</span><span class="font6">10</span><span class="font5">個扇形，每區(qū)內(nèi)分別標(biāo)有</span><span class="font6">0-9</span><span class="font5">十個數(shù)字；</span><span class="font6"><br />
3</span><span class="font5">．轉(zhuǎn)動部分為軸承，轉(zhuǎn)動靈活；</span><span class="font6"><br />
4</span><span class="font5">．底座直徑不小于</span><span class="font6">10mm</span><span class="font5">，材料厚度不小于</span><span class="font6">4mm</span><span class="font5">，高度為</span><span class="font6">100mm</span><span class="font5">；</span><span class="font6"><br />
5</span><span class="font5">．指針長度為</span><span class="font6">60mm</span><span class="font5">，</span><span class="font6">2mm</span><span class="font5">銅質(zhì)；</span><span class="font6"><br />
6</span><span class="font5">．產(chǎn)品表面應(yīng)無明顯缺陷和變形；</span><span class="font6"><br />
7</span><span class="font5">．轉(zhuǎn)盤轉(zhuǎn)動靈活，轉(zhuǎn)動轉(zhuǎn)盤時轉(zhuǎn)盤擺動幅度應(yīng)不大于</span><span class="font6">2mm</span><span class="font5">，停止轉(zhuǎn)動時指針指向應(yīng)是隨機的。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="160" width="67">
20525
</td>
<td class="et21" width="165">
色塊轉(zhuǎn)盤
</td>
<td class="et17" width="339">
1<span class="font5">．盤面直徑為</span><span class="font6">150mm</span><span class="font5">，厚度為</span><span class="font6">4mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．以圓心為中心將轉(zhuǎn)盤分區(qū)，分為</span><span class="font6">12</span><span class="font5">個扇形；轉(zhuǎn)盤中心安裝軸承，轉(zhuǎn)動靈活；</span><span class="font6"><br />
3</span><span class="font5">．底座直徑不小于</span><span class="font6">10mm</span><span class="font5">，材料厚度不小于</span><span class="font6">4mm</span><span class="font5">，高度為</span><span class="font6">100mm</span><span class="font5">；</span><span class="font6"><br />
4</span><span class="font5">．指針長度為</span><span class="font6">60mm</span><span class="font5">，</span><span class="font6">2mm</span><span class="font5">銅質(zhì)；</span><span class="font6"><br />
5</span><span class="font5">．產(chǎn)品表面應(yīng)無明顯缺陷和變形；</span><span class="font6"><br />
6</span><span class="font5">．轉(zhuǎn)盤轉(zhuǎn)動靈活，轉(zhuǎn)動轉(zhuǎn)盤時轉(zhuǎn)盤擺動幅度應(yīng)不大于</span><span class="font6">2mm</span><span class="font5">，停止轉(zhuǎn)動時指針指向應(yīng)是隨機的。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="160" width="67">
20526
</td>
<td class="et21" width="165">
空白轉(zhuǎn)盤
</td>
<td class="et17" width="339">
1<span class="font5">．盤面直徑為</span><span class="font6">150mm</span><span class="font5">，厚度為</span><span class="font6">4mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．以圓心為中心將轉(zhuǎn)盤分區(qū)，分為</span><span class="font6">12</span><span class="font5">個扇形；轉(zhuǎn)盤中心安裝軸承，轉(zhuǎn)動靈活；</span><span class="font6"><br />
3</span><span class="font5">．底座直徑不小于</span><span class="font6">10mm</span><span class="font5">，材料厚度不小于</span><span class="font6">4mm</span><span class="font5">，高度為</span><span class="font6">100mm</span><span class="font5">；</span><span class="font6"><br />
4</span><span class="font5">．指針長度為</span><span class="font6">60mm</span><span class="font5">，</span><span class="font6">2mm</span><span class="font5">銅質(zhì)；</span><span class="font6"><br />
5</span><span class="font5">．產(chǎn)品表面應(yīng)無明顯缺陷和變形；</span><span class="font6"><br />
6</span><span class="font5">．轉(zhuǎn)盤轉(zhuǎn)動靈活，轉(zhuǎn)動轉(zhuǎn)盤時轉(zhuǎn)盤擺動幅度應(yīng)不大于</span><span class="font6">2mm</span><span class="font5">，停止轉(zhuǎn)動時指針指向應(yīng)是隨機的。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="62" width="67">
20527
</td>
<td class="et21" width="165">
幾何圖形片
</td>
<td class="et23" width="339">
包括正方形、長方形、直角三角形、等邊三角形、平行四邊形、梯形、圓形；材料為厚度不小于<span class="font6">2mm</span><span class="font5">的</span><span class="font6">PVC</span><span class="font5">；最小邊長不小于</span><span class="font6">50mm</span><span class="font5">；所有圖形片用透明</span><span class="font6">PVC</span><span class="font5">盒裝。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="64" width="67">
20528
</td>
<td class="et25" width="165">
集合圈
</td>
<td class="et17" width="339">
1<span class="font5">．產(chǎn)品由</span><span class="font6">8</span><span class="font5">根弧形拼接組成；</span><span class="font6">4</span><span class="font5">根拼接條可拼成一個直徑</span><span class="font6">220mm</span><span class="font5">的圓；</span><span class="font6"><br />
2</span><span class="font5">．折疊式由透明塑料片制成，厚度不小于</span><span class="font6">0.2mm</span><span class="font5">。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="63" width="67">
20529
</td>
<td class="et21" width="165">
計數(shù)多層積木
</td>
<td class="et23" width="339">
由<span class="font6">10mm×10mm×10mm</span><span class="font5">、</span><span class="font6">100mm×10mm×10mm</span><span class="font5">、</span><span class="font6"><span> </span>100mm×100mm×10mm<span> </span></span><span class="font5">三種規(guī)格的積木塊組成，為規(guī)整的正方形和長方形，表面光滑，不扭曲和變形；用透明</span><span class="font6">PVC</span><span class="font5">盒裝。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="62" width="67">
20530
</td>
<td class="et21" width="165">
七巧板
</td>
<td class="et23" width="339">
七種顏色，所組成的正方形不小于<span class="font6">80mm×80mm</span><span class="font5">，厚不小于</span><span class="font6">1mm</span><span class="font5">，塑料表面要求平滑，無毛刺、氣泡、傷痕等缺陷，顏色鮮艷。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="46" width="67">
20531
</td>
<td class="et21" width="165">
角操作材料
</td>
<td class="et23" width="339">
塑料或金屬材質(zhì)，尺寸不小于<span class="font6">150mm×10mm×2mm</span><span class="font5">；轉(zhuǎn)動部分鉚接牢固且轉(zhuǎn)動靈活，不易脫落。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
20532
</td>
<td class="et21" width="165">
圖形變換操作材料
</td>
<td class="et23" width="339">
平移、旋轉(zhuǎn)、對稱等內(nèi)容。
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
20533
</td>
<td class="et21" width="165">
面積測量器
</td>
<td class="et23" width="339">
透明，尺寸不小于<span class="font6">100mm×100mm</span><span class="font5">；最小刻度為</span><span class="font6">1mm</span><span class="font5">。</span>
</td>
</tr>
<tr>
<td class="et15" height="94" width="67">
20534
</td>
<td class="et26" width="165">
探索幾何形體面積計算公式材料
</td>
<td class="et27" width="339">
由各幾何圖形片組成，幾何圖形片采用優(yōu)質(zhì)無毒塑料制作，厚度不小于<span class="font6">2mm</span><span class="font5">；幾何圖形片包括：長方形（</span><span class="font6">60mm×30mm</span><span class="font5">）、正方形（</span><span class="font6">25mm×25mm</span><span class="font5">）、三角形（邊長</span><span class="font6">25mm</span><span class="font5">）、圓形（直徑</span><span class="font6">25mm</span><span class="font5">）、平行四邊形（底邊</span><span class="font6">60mm</span><span class="font5">，高</span><span class="font6">30mm</span><span class="font5">）、梯形（上底邊</span><span class="font6">65mm</span><span class="font5">，高</span><span class="font6">30mm</span><span class="font5">）。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="78" width="67">
20535
</td>
<td class="et21" width="165">
探索幾何形體體積計算公式材料
</td>
<td class="et23" width="339">
產(chǎn)品由工程塑料制作，包括長方體、正方體、圓柱體、圓錐體；長方體尺寸為<span class="font6">40mm×40mm×50mm</span><span class="font5">，正方體尺寸為</span><span class="font6">30mm×30mm×30mm</span><span class="font5">，圓柱體與圓錐體等底等高，底面直徑為</span><span class="font6">45mm</span><span class="font5">，高為</span><span class="font6">50mm</span><span class="font5">。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="80" width="67">
20536
</td>
<td class="et21" width="165">
口算練習(xí)器
</td>
<td class="et17" width="339">
1<span class="font5">．采用優(yōu)質(zhì)塑料制作；數(shù)字可轉(zhuǎn)動；</span><span class="font6"><br />
2</span><span class="font5">．?dāng)?shù)字符號不小于</span><span class="font6">50mm×80mm.</span><span class="font5">整體為不小于</span><span class="font6">200mm×400mm</span><span class="font5">的長方形，材料厚度不小于</span><span class="font6">4mm</span><span class="font5">；數(shù)字符號寬度不小于</span><span class="font6">8mm</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．圓盤轉(zhuǎn)動靈活，沒有卡死和跳動現(xiàn)象，停止可靠。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="80" width="67">
20537
</td>
<td class="et21" width="165">
分?jǐn)?shù)片
</td>
<td class="et17" width="339">
1<span class="font5">．供小學(xué)講解分?jǐn)?shù)的基本概念，分?jǐn)?shù)值的大小，分?jǐn)?shù)的基本性質(zhì)和異分母分?jǐn)?shù)的加減法；</span><span class="font6"><br />
2</span><span class="font5">．外形￠</span><span class="font6">250mm</span><span class="font5">，演示</span><span class="font6">1/1—1/12</span><span class="font5">共</span><span class="font6">12</span><span class="font5">種等分；</span><span class="font6"><br />
3</span><span class="font5">．等分片應(yīng)用優(yōu)質(zhì)塑料片制成，厚度</span><span class="font6">0.8mm</span><span class="font5">。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="45" width="67">
20539
</td>
<td class="et12" width="165">
塑料量杯
</td>
<td class="et23" width="339">
透明，圓柱形，帶刻度，2L；外形尺寸Φ120×220mm，厚度不小于3mm，最小分度值50mL；表面光滑，刻度清晰。<br />
</td>
</tr>
<tr>
<td class="et15" height="60" width="67">
20540
</td>
<td class="et12" width="165">
塑料量杯
</td>
<td class="et23" width="339">
透明，正六棱柱體，帶刻度，1．5L；外形尺寸Φ110mm，高230mm，厚度為不小于3mm，最小分度值50mL；表面光滑，刻度清晰。<br />
</td>
</tr>
<tr>
<td class="et15" height="45" width="67">
20541
</td>
<td class="et12" width="165">
塑料量杯
</td>
<td class="et23" width="339">
透明，水杯形，帶刻度，1L；外形尺寸Φ104×150mm，厚度為不小于3mm，最小分度值20mL；表面光滑，刻度清晰。<br />
</td>
</tr>
<tr>
<td class="et15" height="176" width="67">
20542
</td>
<td class="et21" width="165">
小學(xué)低年級數(shù)學(xué)磁性教具
</td>
<td class="et28" width="339">
1<span class="font5">．教具應(yīng)包括：演示板、演示圖板、背景圖；</span><span class="font6"><br />
2</span><span class="font5">．演示板：帶鋁合金邊框的鐵板涂深綠色，不小于</span><span class="font6">600mm×450mm</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．演示圖板：長</span><span class="font6">80mm</span><span class="font5">，寬</span><span class="font6">50mm</span><span class="font5">塑料圖板，中間鑲有磁鐵，正面印有數(shù)字或運算符號及實物圖；</span><span class="font6"><br />
4</span><span class="font5">．背景圖：在拉伸滌綸薄膜上彩印而成，能利用靜電吸附在演示板上或用磁塊壓附在演示板上；</span><span class="font6"><br />
5</span><span class="font5">．本教具能滿足小學(xué)一、二年級有關(guān)數(shù)學(xué)教學(xué)的要求；</span><span class="font6"><br />
6</span><span class="font5">．整套教具應(yīng)合理、整齊、不移位地存放在堅固的包裝箱內(nèi)，便于移動和存放。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="192" width="67">
20543
</td>
<td class="et21" width="165">
小學(xué)中年級數(shù)學(xué)磁性教具
</td>
<td class="et28" width="339">
1<span class="font5">．教具應(yīng)包括：演示板、演示圖板、背景圖；</span><span class="font6"><br />
2</span><span class="font5">．演示板：帶鋁合金邊框的鐵板涂深綠色，不小于</span><span class="font6">600mm×450mm</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．演示圖板：長</span><span class="font6">80mm</span><span class="font5">，寬</span><span class="font6">50mm</span><span class="font5">塑料圖板，中間鑲有磁鐵，正面印有數(shù)字或運算符號及實物圖；</span><span class="font6"><br />
4</span><span class="font5">．背景圖：在拉伸滌綸薄膜上彩印而成，能利用靜電吸附在演示板上或用磁塊壓附在演示板上；規(guī)格：長</span><span class="font6">720mm</span><span class="font5">，寬</span><span class="font6">520mm</span><span class="font5">；</span><span class="font6"><br />
5</span><span class="font5">．本教具能滿足小學(xué)三、四年級有關(guān)數(shù)學(xué)教學(xué)的要求；</span><span class="font6"><br />
6</span><span class="font5">．整套教具合理、整齊、不移位地存放在堅固的包裝箱內(nèi)，便于移動和存放。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="192" width="67">
20544
</td>
<td class="et21" width="165">
小學(xué)高年級數(shù)學(xué)磁性教具
</td>
<td class="et28" width="339">
1<span class="font5">．教具應(yīng)包括：演示板、演示圖板、背景圖；</span><span class="font6"><br />
2</span><span class="font5">．演示板：帶鋁合金邊框的鐵板涂深綠色，不小于</span><span class="font6">600mm×450mm</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．演示圖板：長</span><span class="font6">80mm</span><span class="font5">，寬</span><span class="font6">50mm</span><span class="font5">塑料圖板，中間鑲有磁鐵，正面印有數(shù)字或運算符號及實物圖；</span><span class="font6"><br />
4</span><span class="font5">．背景圖：在拉伸滌綸薄膜上彩印而成，能利用靜電吸附在演示板上或用磁塊壓附在演示板上；規(guī)格：長</span><span class="font6">720mm</span><span class="font5">，寬</span><span class="font6">520mm</span><span class="font5">；</span><span class="font6"><br />
5</span><span class="font5">．本教具能滿足小學(xué)五、六年級有關(guān)數(shù)學(xué)教學(xué)的要求；</span><span class="font6"><br />
6</span><span class="font5">．整套教具合理、整齊、不移位地存放在堅固的包裝箱內(nèi)，便于移動和存放。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
3
</td>
<td class="et16" width="165">
模型
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
30
</td>
<td class="et16" width="165">
數(shù)學(xué)
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="331" width="67">
30501
</td>
<td class="et12" width="165">
鐘表模型
</td>
<td class="et14" width="339">
1<span class="font5">．演示用，兩針，非聯(lián)動，</span><span class="font6">12</span><span class="font5">時表示；</span><span class="font6"><br />
2</span><span class="font5">．盤面一般為圓形，直徑為</span><span class="font6">250</span><span class="font5">～</span><span class="font6">300mm</span><span class="font5">。表盤正面均勻分布有</span><span class="font6">60</span><span class="font5">個分鐘標(biāo)記。整點處分鐘標(biāo)記的寬是非整點處分鐘標(biāo)記寬的</span><span class="font6">3</span><span class="font5">倍。在整點分鐘標(biāo)記內(nèi)側(cè)分別標(biāo)有</span><span class="font6">1</span><span class="font5">，</span><span class="font6">2</span><span class="font5">，</span><span class="font6">3</span><span class="font5">，</span><span class="font6">4</span><span class="font5">，</span><span class="font6">5</span><span class="font5">，</span><span class="font6">6</span><span class="font5">，</span><span class="font6">7</span><span class="font5">，</span><span class="font6">8</span><span class="font5">，</span><span class="font6">9</span><span class="font5">，</span><span class="font6">10</span><span class="font5">，</span><span class="font6">11</span><span class="font5">，</span><span class="font6">12</span><span class="font5">數(shù)字。數(shù)字為直體，字高</span><span class="font6">20mm</span><span class="font5">，數(shù)字的寬約等于字高的三分之二，數(shù)字的筆劃寬度約為字高的十分之一。盤面色調(diào)柔和，分鐘標(biāo)記和數(shù)字清晰、完整、醒目（在正常光照條件下，距離模型</span><span class="font6">7m</span><span class="font5">處目測）；</span><span class="font6"><br />
3</span><span class="font5">．指針應(yīng)平直，厚薄均勻，不得因正常使用產(chǎn)生變形和斷裂。時、分針轉(zhuǎn)動時不得有松脫和互相碰擦。分針的尖端和分鐘標(biāo)記內(nèi)側(cè)之間的距離不得大于</span><span class="font6">2mm</span><span class="font5">。分針與時針長度的比值不小于</span><span class="font6">1.5</span><span class="font5">。分針與時針最寬處比值不大于</span><span class="font6">1</span><span class="font5">，最窄處比值不大于</span><span class="font6">0.5</span><span class="font5">；</span><span class="font6"><br />
4</span><span class="font5">．將鐘面模型的時針和分針調(diào)在整</span><span class="font6">12</span><span class="font5">點處，使其完全重合，沿順時針方向轉(zhuǎn)動分針，帶動時針轉(zhuǎn)動兩周后，使時針和分針再度重合，分針的位置應(yīng)符合要求。在轉(zhuǎn)達動過程中應(yīng)符合要求；</span><span class="font6"><br />
5</span><span class="font5">．鐘面模型應(yīng)既可放在桌面上使用，也可掛在墻上使用；</span><span class="font6"><br />
6</span><span class="font5">．鐘面模型的主要零件是塑料件時，應(yīng)保證在溫度</span><span class="font6">-25</span><span class="font5">～</span><span class="font6">40</span><span class="font5">℃的條件下貯存不得產(chǎn)生變形、開裂。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="393" width="67">
30502
</td>
<td class="et12" width="165">
鐘表模型
</td>
<td class="et14" width="339">
1<span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">演示用，三針，聯(lián)動，</span><span class="font6">12</span><span class="font5">時表示；</span><span class="font6"><br />
2</span><span class="font5">．盤面一般為圓形，直徑為</span><span class="font6">250</span><span class="font5">～</span><span class="font6">300mm</span><span class="font5">。表盤正面均勻分布有</span><span class="font6">60</span><span class="font5">個分鐘標(biāo)記。整點處分鐘標(biāo)記的寬是非整點處分鐘標(biāo)記寬的</span><span class="font6">3</span><span class="font5">倍。在整點分鐘標(biāo)記內(nèi)側(cè)分別標(biāo)有</span><span class="font6">1</span><span class="font5">，</span><span class="font6">2</span><span class="font5">，</span><span class="font6">3</span><span class="font5">，</span><span class="font6">4</span><span class="font5">，</span><span class="font6">5</span><span class="font5">，</span><span class="font6">6</span><span class="font5">，</span><span class="font6">7</span><span class="font5">，</span><span class="font6">8</span><span class="font5">，</span><span class="font6">9</span><span class="font5">，</span><span class="font6">10</span><span class="font5">，</span><span class="font6">11</span><span class="font5">，</span><span class="font6">12</span><span class="font5">數(shù)字。數(shù)字為直體，字高</span><span class="font6">20mm</span><span class="font5">，數(shù)字的寬約等于字高的三分之二，數(shù)字的筆劃寬度約為字高的十分之一。盤面色調(diào)柔和，分鐘標(biāo)記和數(shù)字清晰、完整、醒目（在正常光照條件下，距離模型</span><span class="font6">7m</span><span class="font5">處目測）；</span><span class="font6"><br />
3</span><span class="font5">．指針應(yīng)平直，厚薄均勻，不得因正常使用產(chǎn)生變形和斷裂。時、分針轉(zhuǎn)動時不得有松脫和互相碰擦。分針的尖端和分鐘標(biāo)記內(nèi)側(cè)之間的距離不得大于</span><span class="font6">2mm</span><span class="font5">。分針與時針長度的比值不小于</span><span class="font6">1.5</span><span class="font5">。分針與時針最寬處比值不大于</span><span class="font6">1</span><span class="font5">，最窄處比值不大于</span><span class="font6">0.5</span><span class="font5">；</span><span class="font6"><br />
4.<span> </span></span><span class="font5">聯(lián)動裝置應(yīng)保證指針轉(zhuǎn)動靈活、平穩(wěn)、松緊適當(dāng)，不得有跳動、卡死和松脫現(xiàn)象。聯(lián)動裝置應(yīng)保證指針轉(zhuǎn)動時能停止在任一時間位置。聯(lián)動裝置應(yīng)保證時針旋轉(zhuǎn)兩周后分針示值誤差不大于</span><span class="font6">±1min</span><span class="font5">；</span><span class="font6"><br />
5</span><span class="font5">．將鐘面模型的時針和分針調(diào)在整</span><span class="font6">12</span><span class="font5">點處，使其完全重合，沿順時針方向轉(zhuǎn)動分針，帶動時針轉(zhuǎn)動兩周后，使時針和分針再度重合，分針的位置應(yīng)符合要求。在轉(zhuǎn)達動過程中應(yīng)符合要求；</span><span class="font6"><br />
6</span><span class="font5">．鐘面模型應(yīng)既可放在桌面上使用，也可掛在墻上使用；</span><span class="font6"><br />
7</span><span class="font5">．鐘面模型的主要零件是塑料件時，應(yīng)保證在溫度</span><span class="font6">-25</span><span class="font5">～</span><span class="font6">40</span><span class="font5">℃的條件下貯存不得產(chǎn)生變形、開裂。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="375" width="67">
30503
</td>
<td class="et12" width="165">
鐘表模型
</td>
<td class="et14" width="339">
1<span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">演示用，三針，聯(lián)動，</span><span class="font6">24</span><span class="font5">時表示；</span><span class="font6"><br />
2</span><span class="font5">．盤面一般為圓形，直徑為</span><span class="font6">250</span><span class="font5">～</span><span class="font6">300mm</span><span class="font5">。表盤正面均勻分布有</span><span class="font6">60</span><span class="font5">個分鐘標(biāo)記。整點處分鐘標(biāo)記的寬是非整點處分鐘標(biāo)記寬的</span><span class="font6">3</span><span class="font5">倍。數(shù)字為直體，字高</span><span class="font6">20mm</span><span class="font5">，數(shù)字的寬約等于字高的三分之二，數(shù)字的筆劃寬度約為字高的十分之一。盤面色調(diào)柔和，分鐘標(biāo)記和數(shù)字清晰、完整、醒目（在正常光照條件下，距離模型</span><span class="font6">7m</span><span class="font5">處目測）；</span><span class="font6"><br />
3</span><span class="font5">．指針應(yīng)平直，厚薄均勻，不得因正常使用產(chǎn)生變形和斷裂。時、分針轉(zhuǎn)動時不得有松脫和互相碰擦。分針的尖端和分鐘標(biāo)記內(nèi)側(cè)之間的距離不得大于</span><span class="font6">2mm</span><span class="font5">。分針與時針長度的比值不小于</span><span class="font6">1.5</span><span class="font5">。分針與時針最寬處比值不大于</span><span class="font6">1</span><span class="font5">，最窄處比值不大于</span><span class="font6">0.5</span><span class="font5">；</span><span class="font6"><br />
4.<span> </span></span><span class="font5">聯(lián)動裝置應(yīng)保證指針轉(zhuǎn)動靈活、平穩(wěn)、松緊適當(dāng)，不得有跳動、卡死和松脫現(xiàn)象。聯(lián)動裝置應(yīng)保證指針轉(zhuǎn)動時能停止在任一時間位置。聯(lián)動裝置應(yīng)保證時針旋轉(zhuǎn)兩周后分針示值誤差不大于</span><span class="font6">±1min</span><span class="font5">；</span><span class="font6"><br />
5</span><span class="font5">．將鐘面模型的時針和分針調(diào)在整</span><span class="font6">12</span><span class="font5">點處，使其完全重合，沿順時針方向轉(zhuǎn)動分針，帶動時針轉(zhuǎn)動兩周后，使時針和分針再度重合，分針的位置應(yīng)符合要求。在轉(zhuǎn)達動過程中應(yīng)符合要求；</span><span class="font6"><br />
6</span><span class="font5">．鐘面模型應(yīng)既可放在桌面上使用，也可掛在墻上使用；</span><span class="font6"><br />
7</span><span class="font5">．鐘面模型的主要零件是塑料件時，應(yīng)保證在溫度-25～40℃的條件下貯存不得產(chǎn)生變形、開裂。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="310" width="67">
30504
</td>
<td class="et12" width="165">
鐘表模型
</td>
<td class="et29" width="339">
1．學(xué)生用，兩針，非聯(lián)動；<br />
<span class="font6">2</span><span class="font5">．盤面一般為圓形，</span><span class="font6">PVC</span><span class="font5">材質(zhì)，厚度不小于</span><span class="font6">3mm</span><span class="font5">，外形直徑不小于</span><span class="font6">80mm</span><span class="font5">。表盤正面均勻分布有</span><span class="font6">60</span><span class="font5">個分鐘標(biāo)記。整點處分鐘標(biāo)記的寬是非整點處分鐘標(biāo)記寬的</span><span class="font6">3</span><span class="font5">倍。在整點分鐘標(biāo)記內(nèi)側(cè)分別標(biāo)有</span><span class="font6">1</span><span class="font5">，</span><span class="font6">2</span><span class="font5">，</span><span class="font6">3</span><span class="font5">，</span><span class="font6">4</span><span class="font5">，</span><span class="font6">5</span><span class="font5">，</span><span class="font6">6</span><span class="font5">，</span><span class="font6">7</span><span class="font5">，</span><span class="font6">8</span><span class="font5">，</span><span class="font6">9</span><span class="font5">，</span><span class="font6">10</span><span class="font5">，</span><span class="font6">11</span><span class="font5">，</span><span class="font6">12</span><span class="font5">數(shù)字。數(shù)字為直體，數(shù)字的寬約等于字高的三分之二，數(shù)字的筆劃寬度約為字高的十分之一。盤面色調(diào)柔和，分鐘標(biāo)記和數(shù)字清晰、完整、醒目；<br />
</span><span class="font6">3</span><span class="font5">．指針應(yīng)平直，厚薄均勻，不得因正常使用產(chǎn)生變形和斷裂。時、分針轉(zhuǎn)動時不得有松脫和互相碰擦。分針的尖端和分鐘標(biāo)記內(nèi)側(cè)之間的距離不得大于</span><span class="font6">2mm</span><span class="font5">。分針與時針長度的比值不小于</span><span class="font6">1.5</span><span class="font5">。分針與時針最寬處比值不大于</span><span class="font6">1</span><span class="font5">，最窄處比值不大于</span><span class="font6">0.5</span><span class="font5">；<br />
</span><span class="font6">4</span><span class="font5">．將鐘面模型的時針和分針調(diào)在整</span><span class="font6">12</span><span class="font5">點處，使其完全重合，沿順時針方向轉(zhuǎn)動分針，帶動時針轉(zhuǎn)動兩周后，使時針和分針再度重合，分針的位置應(yīng)符合要求。在轉(zhuǎn)達動過程中應(yīng)符合要求；<br />
</span><span class="font6">5</span><span class="font5">．鐘面模型的主要零件是塑料件時，應(yīng)保證在溫度</span><span class="font6">-25</span><span class="font5">～</span><span class="font6">40</span><span class="font5">℃的條件下貯存不得產(chǎn)生變形、開裂。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="372" width="67">
30505
</td>
<td class="et12" width="165">
鐘表模型
</td>
<td class="et29" width="339">
1．學(xué)生用，三針，聯(lián)動；<br />
<span class="font6">2</span><span class="font5">．盤面一般為圓形，</span><span class="font6">PVC</span><span class="font5">材質(zhì)，厚度不小于</span><span class="font6">3mm</span><span class="font5">，外形直徑不小于</span><span class="font6">80mm</span><span class="font5">。表盤正面均勻分布有</span><span class="font6">60</span><span class="font5">個分鐘標(biāo)記。整點處分鐘標(biāo)記的寬是非整點處分鐘標(biāo)記寬的</span><span class="font6">3</span><span class="font5">倍。在整點分鐘標(biāo)記內(nèi)側(cè)分別標(biāo)有</span><span class="font6">1</span><span class="font5">，</span><span class="font6">2</span><span class="font5">，</span><span class="font6">3</span><span class="font5">，</span><span class="font6">4</span><span class="font5">，</span><span class="font6">5</span><span class="font5">，</span><span class="font6">6</span><span class="font5">，</span><span class="font6">7</span><span class="font5">，</span><span class="font6">8</span><span class="font5">，</span><span class="font6">9</span><span class="font5">，</span><span class="font6">10</span><span class="font5">，</span><span class="font6">11</span><span class="font5">，</span><span class="font6">12</span><span class="font5">數(shù)字。數(shù)字為直體，數(shù)字的寬約等于字高的三分之二，數(shù)字的筆劃寬度約為字高的十分之一。盤面色調(diào)柔和，分鐘標(biāo)記和數(shù)字清晰、完整、醒目；<br />
</span><span class="font6">3</span><span class="font5">．指針應(yīng)平直，厚薄均勻，不得因正常使用產(chǎn)生變形和斷裂。時、分針轉(zhuǎn)動時不得有松脫和互相碰擦。分針的尖端和分鐘標(biāo)記內(nèi)側(cè)之間的距離不得大于</span><span class="font6">2mm</span><span class="font5">。分針與時針長度的比值不小于</span><span class="font6">1.5</span><span class="font5">。分針與時針最寬處比值不大于</span><span class="font6">1</span><span class="font5">，最窄處比值不大于</span><span class="font6">0.5</span><span class="font5">；<br />
</span><span class="font6">4.<span> </span></span><span class="font5">聯(lián)動裝置應(yīng)保證指針轉(zhuǎn)動靈活、平穩(wěn)、松緊適當(dāng)，不得有跳動、卡死和松脫現(xiàn)象。聯(lián)動裝置應(yīng)保證指針轉(zhuǎn)動時能停止在任一時間位置。聯(lián)動裝置應(yīng)保證時針旋轉(zhuǎn)兩周后分針示值誤差不大于</span><span class="font6">±1min</span><span class="font5">；<br />
</span><span class="font6">5</span><span class="font5">．將鐘面模型的時針和分針調(diào)在整</span><span class="font6">12</span><span class="font5">點處，使其完全重合，沿順時針方向轉(zhuǎn)動分針，帶動時針轉(zhuǎn)動兩周后，使時針和分針再度重合，分針的位置應(yīng)符合要求。在轉(zhuǎn)達動過程中應(yīng)符合要求；<br />
</span><span class="font6">6</span><span class="font5">．鐘面模型的主要零件是塑料件時，應(yīng)保證在溫度</span><span class="font6">-25</span><span class="font5">～</span><span class="font6">40</span><span class="font5">℃的條件下貯存不得產(chǎn)生變形、開裂。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="222" width="67">
30506
</td>
<td class="et21" width="165">
幾何形體模型
</td>
<td class="et14" width="339">
1． 產(chǎn)品包括：長方體（一般和特殊）、正方體、實心圓柱、空心圓柱、圓錐體（等底等高、等底不等高、等高不等底）、球；<br />
2． 所有幾何形體均采用無毒優(yōu)質(zhì)塑料注塑成型，顏色各異，色澤純正、鮮艷；<br />
3． 長方體分為一般長方體和特殊長方體，特殊長方體尺寸為54mm×54mm×60mm，一般長方體尺寸為60mm×30mm×15mm；正方體尺寸為40mm×40mm×40mm；<br />
4． 實心圓柱尺寸為Φ60mm×60mm；空心圓柱外形為Φ60mm×60mm，內(nèi)孔直徑Φ27mm；<br />
圓錐體包含等底等高、等底不等高、等高不等底三種形式，尺寸分別為：Φ60mm×60mm、Φ60mm×90mm、Φ46mm×60mm；<br />
5． PVC盒裝。<br />
</td>
</tr>
<tr>
<td class="et15" height="32" width="67">
30507
</td>
<td class="et21" width="165">
厘米立方塊
</td>
<td class="et23" width="339">
每塊為單色，顏色種類不少于<span class="font6">2</span><span class="font5">種，</span><span class="font6">10mm×10mm×10mm</span><span class="font5">，</span><span class="font6">30</span><span class="font5">個；</span><span class="font6">PVC</span><span class="font5">材質(zhì)，表面光滑，無變形和凹凸；</span><span class="font6">PVC</span><span class="font5">盒裝。</span>
</td>
</tr>
<tr>
<td class="et15" height="32" width="67">
30508
</td>
<td class="et21" width="165">
幾何形體表面積展開模型
</td>
<td class="et23" width="339">
長方體、正方體、圓柱體；模型最小邊長和直徑為<span class="font6">50mm</span><span class="font5">，材質(zhì)為</span><span class="font6">PVC</span><span class="font5">；表面用厚</span><span class="font6">0.2mm</span><span class="font5">的透明</span><span class="font6">PVC</span><span class="font5">制成。</span>
</td>
</tr>
<tr>
<td class="et15" height="144" width="67">
30509
</td>
<td class="et21" width="165">
圓面積、圓周率計算公式推導(dǎo)演示模型
</td>
<td class="et17" width="339">
1．圓面積演示器直徑Φ200mm，厚10mm，扇形面（塊）16個；表面涂淺色漆；<br />
2．圓周率演示器中的直徑100mm，厚5mm；面板400mm×80mm×8mm，表面涂淺色漆，圓面積和面板漆色有較大反差，其上的標(biāo)志、符號、數(shù)字等清晰可見；<br />
3．本演示模型應(yīng)能很好地演示圓周率計算公式推導(dǎo)過程和結(jié)果。<br />
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
5
</td>
<td class="et16" width="165">
掛圖、軟件及資料
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
50
</td>
<td class="et16" width="165">
數(shù)學(xué)
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
500
</td>
<td class="et16" width="165">
教學(xué)掛圖<span class="font6">(</span><span class="font7">圖片</span><span class="font6">)</span>
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
50051
</td>
<td class="et25" width="165">
物品卡片
</td>
<td class="et23" width="339">
購物游戲用
</td>
</tr>
<tr>
<td class="et15" height="302" width="67">
50052
</td>
<td class="et21" width="165">
小學(xué)數(shù)學(xué)數(shù)與代數(shù)部分教學(xué)掛圖
</td>
<td class="et14" width="339">
1．29幅；<br />
2．紙張規(guī)格：紙張不低于105克銅版紙，覆膜，開本不小于750mm×520mm；<br />
3．印刷：四色彩色膠印；<br />
4．圖形：教學(xué)掛圖應(yīng)圖像清晰，色澤自然鮮明，位置準(zhǔn)確；附彩圖說明書；<br />
5．圖片印刷套印準(zhǔn)確，層次分明，輪廓實，電分制版無浮雕��；網(wǎng)點清晰飽滿，小點不禿，大點光潔不糊，質(zhì)感好； 墨色均勻厚實，色彩鮮有光澤，膚色正、接版準(zhǔn)確，色調(diào)深淺一致； 文字印刷壓力適度，全圖前后輕重一致； 全圖前后墨色一致，濃淡適度 符合要求； 版面端正，正反套印準(zhǔn)確；文字、標(biāo)點清晰，筆鋒挺秀，無缺筆斷劃，標(biāo)題黑實不花，小字不糊不瞎；無臟污、破損；無野墨； 成品裁切方正，無明顯刀花，無連接頁、折角、破頭；書面平服，無皺折；<br />
6．印刷標(biāo)準(zhǔn)：符合GB7705-87《平版裝潢印刷品標(biāo)準(zhǔn)》； <br />
7．適用于《全日制義務(wù)教育小學(xué)數(shù)學(xué)課程標(biāo)準(zhǔn)》；<br />
8．審查：經(jīng)教育部中小學(xué)教材審定委員會審查并通過；<br />
9．內(nèi)包裝應(yīng)標(biāo)明：編審單位、審查批號、出版單位等。<br />
</td>
</tr>
<tr>
<td class="et15" height="302" width="67">
50053
</td>
<td class="et21" width="165">
小學(xué)數(shù)學(xué)空間與圖形部分教學(xué)掛圖
</td>
<td class="et14" width="339">
1．23幅；<br />
2．紙張規(guī)格：紙張不低于105克銅版紙，覆膜，開本不小于750mm×520mm；<br />
3．印刷：四色彩色膠��；<br />
4．圖形：教學(xué)掛圖應(yīng)圖像清晰，色澤自然鮮明，位置準(zhǔn)確；附彩圖說明書；<br />
5．圖片印刷套印準(zhǔn)確，層次分明，輪廓實，電分制版無浮雕�。痪W(wǎng)點清晰飽滿，小點不禿，大點光潔不糊，質(zhì)感好； 墨色均勻厚實，色彩鮮有光澤，膚色正、接版準(zhǔn)確，色調(diào)深淺一致； 文字印刷壓力適度，全圖前后輕重一致； 全圖前后墨色一致，濃淡適度 符合要求； 版面端正，正反套印準(zhǔn)確；文字、標(biāo)點清晰，筆鋒挺秀，無缺筆斷劃，標(biāo)題黑實不花，小字不糊不瞎；無臟污、破損；無野墨； 成品裁切方正，無明顯刀花，無連接頁、折角、破頭；書面平服，無皺折；<br />
6．印刷標(biāo)準(zhǔn)：符合GB7705-87《平版裝潢印刷品標(biāo)準(zhǔn)》； <br />
7．適用于《全日制義務(wù)教育小學(xué)數(shù)學(xué)課程標(biāo)準(zhǔn)》；<br />
8．審查：經(jīng)教育部中小學(xué)教材審定委員會審查并通過；<br />
9．內(nèi)包裝應(yīng)標(biāo)明：編審單位、審查批號、出版單位等。<br />
</td>
</tr>
<tr>
<td class="et15" height="302" width="67">
50054
</td>
<td class="et21" width="165">
小學(xué)數(shù)學(xué)統(tǒng)計與概率教學(xué)掛圖
</td>
<td class="et14" width="339">
1．10幅；<br />
2．紙張規(guī)格：紙張不低于105克銅版紙，覆膜，開本不小于750mm×520mm；<br />
3．印刷：四色彩色膠��；<br />
4．圖形：教學(xué)掛圖應(yīng)圖像清晰，色澤自然鮮明，位置準(zhǔn)確；附彩圖說明書；<br />
5．圖片印刷套印準(zhǔn)確，層次分明，輪廓實，電分制版無浮雕��；網(wǎng)點清晰飽滿，小點不禿，大點光潔不糊，質(zhì)感好； 墨色均勻厚實，色彩鮮有光澤，膚色正、接版準(zhǔn)確，色調(diào)深淺一致； 文字印刷壓力適度，全圖前后輕重一致； 全圖前后墨色一致，濃淡適度 符合要求； 版面端正，正反套印準(zhǔn)確；文字、標(biāo)點清晰，筆鋒挺秀，無缺筆斷劃，標(biāo)題黑實不花，小字不糊不瞎；無臟污、破損；無野墨； 成品裁切方正，無明顯刀花，無連接頁、折角、破頭；書面平服，無皺折；<br />
6．印刷標(biāo)準(zhǔn)：符合GB7705-87《平版裝潢印刷品標(biāo)準(zhǔn)》； <br />
7．適用于《全日制義務(wù)教育小學(xué)數(shù)學(xué)課程標(biāo)準(zhǔn)》；<br />
8．審查：經(jīng)教育部中小學(xué)教材審定委員會審查并通過；<br />
9．內(nèi)包裝應(yīng)標(biāo)明：編審單位、審查批號、出版單位等。<br />
</td>
</tr>
<tr>
<td class="et15" height="302" width="67">
50055
</td>
<td class="et21" width="165">
小學(xué)數(shù)學(xué)資料圖
</td>
<td class="et14" width="339">
1．8幅；<br />
2．紙張規(guī)格：紙張不低于105克銅版紙，覆膜，開本不小于750mm×520mm；<br />
3．印刷：四色彩色膠��；<br />
4．圖形：教學(xué)掛圖應(yīng)圖像清晰，色澤自然鮮明，位置準(zhǔn)確；附彩圖說明書；<br />
5．圖片印刷套印準(zhǔn)確，層次分明，輪廓實，電分制版無浮雕印；網(wǎng)點清晰飽滿，小點不禿，大點光潔不糊，質(zhì)感好； 墨色均勻厚實，色彩鮮有光澤，膚色正、接版準(zhǔn)確，色調(diào)深淺一致； 文字印刷壓力適度，全圖前后輕重一致； 全圖前后墨色一致，濃淡適度 符合要求； 版面端正，正反套印準(zhǔn)確；文字、標(biāo)點清晰，筆鋒挺秀，無缺筆斷劃，標(biāo)題黑實不花，小字不糊不瞎；無臟污、破損；無野墨； 成品裁切方正，無明顯刀花，無連接頁、折角、破頭；書面平服，無皺折；<br />
6．印刷標(biāo)準(zhǔn)：符合GB7705-87《平版裝潢印刷品標(biāo)準(zhǔn)》； <br />
7．適用于《全日制義務(wù)教育小學(xué)數(shù)學(xué)課程標(biāo)準(zhǔn)》；<br />
8．審查：經(jīng)教育部中小學(xué)教材審定委員會審查并通過；<br />
9．內(nèi)包裝應(yīng)標(biāo)明：編審單位、審查批號、出版單位等。<br />
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
8
</td>
<td class="et16" width="165">
其它實驗材料和工具
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
81
</td>
<td class="et16" width="165">
工具
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="47" width="67">
81032
</td>
<td class="et21" width="165">
剪刀
</td>
<td class="et14" width="339">
1<span class="font5">．長度不小于</span><span class="font6">130mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．刀身采用優(yōu)質(zhì)不銹鋼制作，表面光滑；刀刃鋒利耐用，不變形。</span>
</td>
</tr>
<tr>
<td class="et15" height="48" width="67">
81251
</td>
<td class="et21" width="165">
圓柱形塑料杯
</td>
<td class="et17" width="339">
1<span class="font5">．高不低于</span><span class="font6">120mm</span><span class="font5">，杯內(nèi)直徑不小于</span><span class="font6">80mm</span><span class="font5">；</span><span class="font6">PVC<span> </span></span><span class="font5">塑料，厚度不小于</span><span class="font6">2mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．材質(zhì)為優(yōu)質(zhì)塑料，受擠壓后不出現(xiàn)裂紋。</span>
</td>
</tr>
<tr>
<td class="et15" height="48" width="67">
81252
</td>
<td class="et21" width="165">
方形塑料杯
</td>
<td class="et17" width="339">
1<span class="font5">．高不低于</span><span class="font6">120mm</span><span class="font5">，杯內(nèi)直徑不小于</span><span class="font6">80mm</span><span class="font5">；</span><span class="font6">PVC<span> </span></span><span class="font5">塑料，厚度不小于</span><span class="font6">2mm</span><span class="font5">‘</span><span class="font6"><br />
2</span><span class="font5">．材質(zhì)為優(yōu)質(zhì)塑料，受擠壓后不出現(xiàn)裂紋。</span>
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
81253
</td>
<td class="et21" width="165">
刻刀
</td>
<td class="et23" width="339">
中型美工刀。
</td>
</tr>
<tr>
<td class="et15" height="48" width="67">
81254
</td>
<td class="et21" width="165">
角尺
</td>
<td class="et17" width="339">
1<span class="font5">．規(guī)格</span><span class="font6">600mm×50mm</span><span class="font5">，長度</span><span class="font6">600mm</span><span class="font5">；厚度不小于</span><span class="font6">1mm<br />
2．不銹鋼材料； 精度等級為0，未經(jīng)回火；<span> </span>材料硬度：達200HRB 。</span>
</td>
</tr>
</tbody>
</table>
</p> |
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| 會員級別：免費會員 |
| 加入時間：2009-05-08
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