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  • cof1622595707756

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    2021-06-02 09:48:02 来自 PC 评论 举报
  • vikinson

    p*a*sin35°=F(a b) ,求出p,p3=psin35°,p2=pcos35°

    p1的方向错了,p1=F*b/a


    2021-04-29 17:13:29 来自 PC 评论 举报
这个家伙什么也没有留下。。。

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