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Re:假如是交点处连着表示上面,断开表示下面的话……

Posted by frkstyc at 2005-05-06 13:09:29 on Problem 1660
In Reply To:Re:假如是交点处连着表示上面,断开表示下面的话…… Posted by:uni at 2005-05-06 13:08:25
就是下面尖的地方

> 这个,你松的是哪边的头?
> 我的意思是把右边的大弧松开

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