英语词汇central extension of groups怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	central extension of groups
释义	central extension of groups 简明释义群中心扩张网络释义 1 ?群中心扩张群中心扩张双语例句 1 Finally, the structures of the automorphism groups of W and its universal central extension are characterized. 最后确定了W及其泛中心扩张的自同构群的结构。
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