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物理课件高二物理简谐运动的描述1文档信息 best
回答: 当振动运动距离静平衡位置最远时,速度为零,系统动能(偏离平衡的能量,最不平衡点,零动能(场力)为零,系统势能(恢复平衡(平衡点,
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于 2010-03-19 09:27:19
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