射影表示是与相应射影线性群密切相关的一种表示。 当K为特征0的代数封闭域时，有限群G的不可约射影示的次数为G的阶的因子。
...与群的中心商密切相关．另外，中心商问题也与覆盖群(covering groups) 的Schur S理论，以及射影表示(projective representation)有联系，因而引起人们的重视．本文中运用群的循环扩张理论，通过换位子计算得到的结果与Baer的结果一致．本文若无特别说明，所用...
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然而，世界卫生组织(WHO)表示辐射影响比原先想象的更加严重。
The World Health Organisation (WHO), however, said the radiation impact was becoming more serious than first thought.
然而，世界卫生组织(WHO)表示辐射影响比原先想象的更加严重。
The World Health Organisation (WHO) however said the radiation impact was becoming more serious than first thought.
在他死后，他的家人在声明中表示，彭日成是一位诚实的商人，他受到了含沙射影和虚假指控的无情攻击，从来没有机会为自己辩驳。
After his death, his family put out a statement that he had been an 'honest businessman' who never had a chance to defend himself against a 'relentless attack of innuendo and false allegations.'
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