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Mimetite group minerals are a group of isomorphic series minerals with hexagonal system,which include mimetite,vanadinite and pyromorphite. 砷铅矿族矿物是一族六方晶系的类质同象系列矿物，包括砷铅矿、钒铅矿和磷氯铅矿。
The structure of the luminophor is similar to that of MgY_4Si_3O_(13)which is recorded on the ASTM card and belongs to hexagonal system. 其结构与ASTM 卡片记载的 MgY_4Si_3O_(13)的结构相同;属于六方晶系.
The Characterization of a Kind of 2-Resonant Hexagonal System 一类2-共振六角系统的性质与构造
Rotation Symmetry of Brillouin Scattering for Hexagonal System 六方晶系Brillouin散射的旋转对称性
A Kekule struc-ture K of a hexagonal system H is also a perfect matching (1-factor) of H. A cycle (or circuit) C in H is said to be conjugated or resonant if there is a Kekule structure K of H such that C is a K-alternating cycle. 六角系统H的一个完美匹配(1-因子)也叫做H的一个凯库勒结构。六角系统H中的圈C称为共振的，如果存在一个H的凯库勒结构K使得C是K-交错圈。
To characterize some properties of these 2-resonant hexagonal systems in which any two interior hexagons have no common edge,and offer a kind of method to construct this kind of hexagonal system. 刻画了任意两个内部六边形都无公共边的2-共振六角系统的一些性质,并且给出了一种构造这种六角系统的方法。
About Two Conjecture of Hexagonal System 关于六角系统的两个猜想
I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
The drainage system has been aged. 排水系统已经老化了。
They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
This is a highly efficient new heating system. 这是个高效的新取暖系统。
Some properties of a kind of 2 - resonant hexagonal system 一类2-共振六角系统的若干性质
He's mute on the subject of social system. 他对社会制度的问题保持沉默。
He said he used this system in the year dot. 他说他很久以前用过这个系统。
Our manager is conversant with account system. 我们的经理精通会计制度。
The system can translate English into Chinese. 这个系统能将英语译为汉语。