加长型球形屋根
加长型球形屋根(J88, Sphenomegacorona) 是Johnson多面体的其中一个。它无法由柏拉图立体(正多面体)和阿基米得立体(半正多面体)经过切割、增补而得来。是Johnson多面体中的基本立体之一。这92种Johnson立体最早在1996年由Johnson Norman命名并给予描述。
Sphenomegacorona
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Sphenomegacorona 加长型球形屋根
In geometry, the sphenomegacorona is one of the Johnson solids (J88). It is one of the elementary Johnson solids that do not arise from "cut and paste" manipulations of the Platonic and Archimedean solids.
A Johnson solid is one of 92 strictly convex polyhedra that have regular faces but are not uniform (that is, they are not Platonic solids, Archimedean solids, prisms or antiprisms). They were named by Norman Johnson, who first listed these polyhedra in 1966.