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从能量角度,初始重力势能 == 末动能 + 弹性势能,就这个公式

Posted by sunmoonstar_love at 2005-07-06 14:39:58 on Problem 2463
In Reply To:好像高中物理就搞定了 Posted by:sunmoonstar_love at 2005-07-06 14:38:44


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