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想起以前的初中物理。八年级知道一个“密度等于质量除以体积”公式，做计算题都好开心好开心。九年级的时候知道一个“电流等于电压除以电阻”公式，什么安培定律呀 欧姆定律呀 完全不是什么事。
现在的物理 “受力分析”呀 “电磁感应分析”呀 ....... 分析 分析 分析 “你们要把公式忘掉，会分析就够了” 真实的故事！  |
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最新喜欢： cyr200...
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沙发#
发布于：2016-02-04 15:06
同感
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板凳#
发布于：2016-02-04 18:49
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