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如果一个段弧是(100,720),是不是饶了一圈加上一个大半圈呢？

Posted by Hacker_QC at 2006-10-21 17:23:54
In Reply To:请问judge：按你的意思Ｄ里面的li和ri不一定要满足li<ri,对吗？　然后li>ri表示li->0->ri?　　谢谢 Posted by:Hacker_QC at 2006-10-21 17:19:35 
> 请问judge：按你的意思Ｄ里面的li和ri不一定要满足li<ri,对吗？　然后li>ri表示li->0->ri?  谢谢了。
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