正规[不变]子群

normal divisor的用法和样例:

例句

  1. Congruences in semigroups are similar to normal subgroups in groups and ideals in rings.By congruencs, one can thoroughly obtain characterizations of E-inversive semigroups.摘要半群的同余类似于群中的正规子群或环中的理想,旨在对代数系统进行分类,以期得到关于半群的细致刻画。

nod----------点头 navel-------- 小说 North-------北方 normal------正常的

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发表于:2019-01-15 / 阅读(371) / 评论(0) 分类 英语情景对话-健康

1. almost [nearly] 都可用来修饰不定代词、形容词、副词、动词、介词短语等,此时两者常可换用。如: My car almost [nearly] stood still because of a traffic block. 我的车子因为交通阻塞而几乎动弹不得。

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发表于:2019-02-15 / 阅读(243) / 评论(0) 分类 英语笑话(MP3+文本)

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