Chinese 多面体 Cited by user A2569875 on 15 Nov 2023 多面體(Polyhedron)是指三維空間中由平面、直邊和頂點組成的幾何形狀. 例如立方體就是一種多面體,其由6個正方形平面、12條直邊和8個頂點組成. 多面體可以依特性分成凸多面體、凹多面體和非凸多面體,也可以依結構分成簡單多面體和複雜多面體.
English Polyhedron Cited by user David Eppstein on 01 Jul 2022 In geometry, a polyhedron is a three-dimensional shape with flat polygonal faces, straight edges and sharp corners or vertices.