The author has 2 posts.
五维物体肯定比四维更难研究
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因为球极投影后是四维，再平行投影就乱七八糟了
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回复：2楼
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The author has 2 posts.
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因为球极投影后是四维，再平行投影就乱七八糟了
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回复：2楼
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