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噢,就是他只写了后一部分,我要先求个叉积的,明白了,郁闷半天,baidu很久,所有资料都这么写,我都怀疑自己的IQ了In Reply To:先判共线再这样 Posted by:frkstyc at 2005-07-22 00:00:13 Followed by:
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