Any of several forms of crystal with trapeziums as faces.
偏方三八面体任一种各面均为不规则四边形的水晶体
ditrigonal scalenohedral class
复三方偏三角面体类
an octahedron with eight equilateral triangles as faces.
有八个正三角形面的八面体。
Three such arrangements come to mind: a planar hexagon, similar to the benzene ring, and two solid polyhedra, the trigonal prism and the octahedron.
故而,有三种排列方式：平面六边形,类似苯环；两个立体多面体：三棱柱和八面体,
A solid figure having24equal faces, every three of which correspond to one face of an octahedron.
三八面体具有24个面等面、每三个相面对应于八面体的一个面的固体圆形
Channel Sand Body Description Method and its Application in Bamianhe Area
八面河地区河道砂体描述方法与应用
In the last eight years we have scored some achievements in these three respects.
这八年，我们在这三个方面取得了一些成绩。
Low Temperature Hydrothermal Synthesis of Octahedral Fe_3O_4 Submicrocrystals
低温水热法制备八面体四氧化三铁亚微米晶
A polyhedron with eight plane surfaces.
八面体有八个面的多面体
The trigonal prism yields three isomers also, but there are only two octahedral arrangements for this formulation.
三棱柱也有三个异构体,而对于这个分子式,仅有两种八面体排布。
4.No cohabitation, except for the designated days of the 3th and the 8th day of the month.
（四）每月除逢三八定期外，不得住宿偏房。
any polyhedron having eight plane faces.
任何有八个面的多面体。
The molecules of a gas are moving about extremely fast in all directions.
气体的分子非常迅速地向四面八方运动着。
Reconstruction Study of Object Surface Based on Polarization Analysis;
基于偏振分析的物体表面形状恢复方法研究
A kind of large group decision-making method oriented utility valued preference information
一种面向效用值偏好信息的大群体决策方法
For the same goal, we come from everywhere yesterday, and bring our lucky bids to all over China tomorrow!
为同一目标,昨天我们来自五湖四海;把再三嘱托,明天带向四面八方!
The Equivalent Propositions of the Octahedral Axiom of Triangulated Categories and Applications;
三角范畴定义中八面体公理的等价命题及其应用
To this end, we should not be biased towards one of the three aspects: functional colour, marketable colour and constructive colour.
功能色彩、市场色彩以及构成色彩这三个方面均不可偏颇。
