subgroup

Let G be an infinite group. If G has a normal elementary abelian subgroup, then G is irrecognizable.

设G是无限,若G存在正规初等交换子,则G是不可分.

Fig.2 Camera lucida drawings of subgroup cell of retinotectal projectingRGCs in the chick.

标题： 图2鸡视网膜-视顶盖投射RGCs各亚细胞拓图。

Avian leukosis virus subgroup J (ALV-J) is a retrovirus which infects meat-type chickens.

亚禽白血病病毒(ALV-J)是一种主要感染肉用型鸡反转录病毒。

The occurrence of Avian Leukosis Virus-J Subgroup on the Commercial layer of Roman reported was the first time at home and abroad.

商品代罗曼蛋鸡发生禽J-亚白血病报道在国内外尚属首次。

Considering the subnormal subgroups,some equivalent conditions for nilpotency of finite groups are given and a sufficient condition for nilpotency of finite groups is obtained.

研究次正规子对有限结构,得到幂零若干等价条件和一个充分条件。

A prairie dog of the endangered subgroup Cynomys parvidens pokes through a heavy Utah snow.

意译：一只大草原土拨鼠是属于濒临灭绝危险，它伸出沉重身体在犹他州雪地上。