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Re:这题目还不能直接推出公式 啊?还要用电路知识么?

Posted by yellowflying at 2006-08-03 22:47:56 on Problem 1045
In Reply To:Re:这题目还不能直接推出公式 啊?还要用电路知识么? Posted by:yellowflying at 2006-08-03 22:46:01
可以直接推出来vr=(r*c*w*vs)/sqrt(1+r*r*c*c*w*w)

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