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## group extension

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### 网络释义专业释义英英释义

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... group element 群元素 group extension 群扩张 group factor model 群因子模型 ...

组扩展

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... group element 群元素 group extension 群扩张 group factor 群因子 ...

luggage group carrier extension 行李架的耽误部分

backrest extension group 靠背加长组件

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·2,447,543篇论文数据，部分数据来源于NoteExpress

#### Group extension

• In mathematics, a group extension is a general means of describing a group in terms of a particular normal subgroup and quotient group. If Q and N are two groups, then G is an extension of Q by N if there is a short exact sequence

### 双语例句原声例句权威例句

• This extension is known as the Grothendieck group.

这个扩展被称为格罗坦狄克群

• The incidences of infarction extension in group A also greater than that in group B, but is not significant.

梗塞扩展发生率严重心律失常发生率A高于B统计学差异

• The hidden movement of a word group refers to the extension or change of its meaning, property or scope of use in speech, or to its capability of forming a word or phrase.

语词潜在运动就是这个语词口语中有意义词性使用范围上引申变化或者展现构词能力

• We have 90 extension school students who are taking the course via distance education, so we have a huge group that will be joining us at the 2010 CS50 fair and the those photos you saw a moment ago depicted 2009's.

这里有90个来自哈佛开放学院的学生,他们正在通过远程教育来学习这门课程，所以参加2010年CS50课程的团体是很庞大的,刚才你们看到的图片显示的是,2009年的数据。

哈佛公开课 - 计算机科学课程节选

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