octahedron - Definition & Meaning

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复数形式

octahedra

八面体, 八面體

a geometric figure with eight triangular faces, twelve edges, and six vertices

The faces of an octahedron are all equilateral triangles, and each vertex is the meeting point of four triangles.
八面体的面都是等边三角形，每个顶点是四个三角形的交汇点。
The eight faces of an octahedron divide space into regions that are congruent to tetrahedra.
八面体的八个面将空间分割成与四面体全等的区域。
The vertices of an octahedron can be inscribed in a cube, forming a relationship between these two geometric shapes.
八面体的顶点可以内接于一个立方体，形成这两种几何形状之间的关系。
The regular octahedron is one of the five Platonic solids, characterized by identical faces, edges, and angles.
正八面体是五种柏拉图立体之一，其特征是相同的面、边和角。
The dual of an octahedron is a cube, and vice versa, forming a pair of dual polyhedra.
八面体的对偶是立方体，反之亦然，形成一对对偶多面体。