群标记 group mark
超群标识 [计] supergroup designation
欧洲数字集群标准 TETRA Terrestial Trunked Radio
群标志 gm ; Group Mark
社群标签 Social Tag
群标识符 group identifier ; cluster id
群标示区 group handles
目标群体 Target Group ; target population ; Aim Colony
目标群 target complex ; [计] Target Group ; Targeted ; complex target
标准群体 standard group
对称群特征标是有力的数学工具，研究并提出其简单计算方法是很有意义的。
Characters of symmetry groups is a powerful maths instrument, it is very significative to study and bring forward its simple computation method.
龙群，一个充满蓬勃、向上的名字，恰如它的标微所示，充满生机和蓬勃向上的生命力。
Long group, one full of vibrant, progressive name, just as it is shown in the standard micro-and full of vitality and vigorous vitality.
运用活动标架和回转运动群对其啮合方程和啮合效率进行了分析研究；
The meshing equation and the formula of meshing efficiency are drawn by using active coordinate and rotating matrix operators.
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