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Reply: 小手川峻

ADSDSD啊

Reply: 还是个

FDGHH

Reply: 另外


金田11

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金田123

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u就他发

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金田一一

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Reply: 此处是yaoliding的留言贴,有话我在这里说(吧主进)

求一下相册中“四维空间中的六个正多胞体”图片的来源

Reply: 此处是yaoliding的留言贴,有话我在这里说(吧主进)

回复:20楼
两种,球柱或者圆-圆二重柱
回复:21楼
二维圆环的类比很难说,毕竟完美的环面(即超环面,注意是二维的曲面哈)是要到四维才能表现的(超环面可以把超球的三维表面二...