四面体

The crystal structure of the mineral is a tetrahedron.
这种矿物的晶体结构是一个四面体。
In geometry, a tetrahedron is a polyhedron with four triangular faces.
在几何学中，四面体是一个具有四个三角形面的多面体。
A regular tetrahedron has all its edges and angles equal.
正四面体的所有边和角都是相等的。
The volume of a tetrahedron can be calculated using the formula V=1/3Bh.
可以使用公式V=1/3Bh计算四面体的体积。
Tetrahedrons are commonly used in molecular modeling to represent atoms or molecules.
四面体通常用于分子建模来表示原子或分子。
The net of a tetrahedron consists of four triangles.
四面体的网络由四个三角形组成。
A tetrahedron has six edges and four vertices.
四面体有六条边和四个顶点。
The symmetry group of a regular tetrahedron is isomorphic to the alternating group A4.
正四面体的对称群与交错群A4同构。
A regular tetrahedron can be inscribed in a sphere so that all its vertices touch the sphere.
一个正四面体可以被内接在一个球体中，使得所有顶点都接触到球体。
The tetrahedron is one of the five Platonic solids.
四面体是五种柏拉图立体之一。