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【规定】轮胎形状的立体图形规定叫“圆环体”

Floor 1 魔法绿骑士 6/17/11 19:30
Floor 2 魔法绿骑士 6/17/11 19:32

那么在四维空间中类似的物体就是球环体了。

Floor 3 yaoliding 6/26/11 9:50
环面的完美形式要在四维上表现,那么那个叫什么?
Floor 4 yaoliding 6/26/11 9:53

“那么在四维空间中类似的物体就是球环体了。”

环的类比有两种的啊,我在置顶贴上有说

Floor 5 巨大八爪鱼 8/29/14 17:08

回复:3楼

为什么四维才能最完美?

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