中文名称:晶类 英文名称:crystal class 术语来源:固体物理学 晶体共有32种对称型(点群)，对称是晶体共有的基本属性，任何晶体的对称形式都包含在这有限的32种点群中，因此根据晶体的对称性对晶体进行分类
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N any of 32 possible types of crystals, classified according to their rotational symmetry about axes through a point 晶族 (Also called point group) [crystallog]
In the study of optical properties of low class crystal system, the identification of optic sign has important meaning to unknown crystal and mineral determination.
在低级晶族光学特性的研究中，光性符号的确定对未知晶体及矿物的鉴定有着重要的意义。
Our goal — to build a world-class brand crystal!
我们的目标——打造世界一流水晶品牌！
It has already formed two bases and a crystal technical training class to cultivate technical backbones by itself.
已组建两个基地和晶体大专班，自行培养了一批技术骨干。
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