单词	hypersphere
释义	hypersphere /ˈhīpərˌsfir / noun A sphere that exhibits more than three dimensions.A 3D crosssection of a hypersphere is simply a sphere.... The first just gives the large dimensionality of hypersphere, the second the flat diffusive landscape. A similar breakdown for three-dimensional spaces, Thurston realized, would give mathematicians a useful tool for distinguishing hyperspheres from other shapes.
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