The stractures of power groups are discussed systematically by introducing generalized kernel and the constructivity theorem on a class of power group is established.

通过引入广义核概念，详细讨论了各类幂群的结构，并给出了一类幂群的构造定。

youdao

Three armed groups were contending for power.

三个武装集团在争夺权力。

《牛津词典》

Their politics consisted of unstable power plays between rival groups.

他们的政治活动包括竞争集团之间的争权夺利。

《柯林斯英汉双解大词典》

Burma's military rulers cite ongoing fighting with ethnic insurgent groups in the country to partly justify their continued grip on power.

VOA: standard.2009.06.19

These passionate attachments are not merely something that take place you might say between different regimes but even within them as different parties and groups with loyalties and attachments contend for power for honor and for interest.

这些热情的忠诚,不只是发生在,不同的政体之间,甚至是在政体内的不同政党与团体,依恃着忠诚与情感附属,来竞逐权力，荣耀与利益。

耶鲁公开课 - 政治哲学导论课程节选

Second,it attracts attention and shows the groups have the ability to attack a major power station.

VOA: standard.2010.07.21

In the quarter, the company saw strong cash flow from machinery and power groups.

FORBES: Caterpillar "Bulldozes" Earnings, Global Growth Still On

The cuts will reduce spending power among poorer groups, according to the Scottish Local Government Forum Against Poverty and Rights Advice Scotland.

BBC: Welfare cuts 'will damage Scots economy'

From apples supposedly poisoned by the growth chemical Alar to the alleged commercial viability of wind power, green groups have been wrong at least as often as they have been proved right.

FORBES: David Frum: A Republican Party that can win young voters. He's right!