vanstone

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单摆
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简谐运动的回复力和能量
0 Comments 19 views
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简谐振动的描述
0 Comments 21 views
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简谐运动
0 Comments 21 views
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热力学第一定律
0 Comments 22 views
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分子动理论2
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分子动理论1
0 Comments 21 views
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变压器
0 Comments 25 views
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复习(3)
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电磁感应复习(2)
0 Comments 24 views
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复习(1)
0 Comments 23 views
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研究课题：把交流变成直流
0 Comments 22 views
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常见电子器件的原理和使用
0 Comments 20 views
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传感器的应用 传感器实验
0 Comments 22 views
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传感器及其工作原理
0 Comments 23 views
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电能的输送
0 Comments 21 views
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变压器
0 Comments 26 views
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电感和电容对交变电流的影响
0 Comments 22 views
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描述交变电流的物理量
0 Comments 25 views
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交变电流
0 Comments 21 views
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