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两个二维向量的叉积不是一个数!是一个二维向量,点积才是一个数!In Reply To:两个二维向量的叉积不是一个数么？怎么会出来一个四维向量？ Posted by:kenin at 2006-06-04 10:20:56 Followed by: Post your reply here: |
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