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Re:只有两种可能，正向的跟反向的。点是由顺序的。In Reply To:只有两种可能，正向的跟反向的。点是由顺序的。 Posted by:denghongchao at 2010-02-09 09:15:05 长度判断+方向判断 方向判断可以采用cross product Followed by: Post your reply here: |
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