基本释义:

正方双锥

网络释义

1)tetragonal bipyramid,正方双锥

2)ditetragonal dipyramidal class,复正方双锥类

3)tetragonal bipyramidal class,正方双锥体类

4)regular cubic cone,正方锥形

5)tetragonal pyramid,正方锥

6)hexagonal dipyramid,六方双锥

用法和例句

A series of convenient methods for the preparation of the paper-folded regular octahedron, regular tetrahedron, and regular cubic cone are presented here.

介绍纸折正四面体、正八面体和正方锥形的简易制作方法，并推广应用于制作天然硅盐的多种复杂阴离子结构及某些多酸阴离子结构的模型。