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正规子群 zhèngguī zǐqún
math.	regular subgroup; distinguished subgroup
oil	normal subgroup
tech.	invariant subgroup; normal divisor; self-conjugate subgroup
正规〔不变，自共轭〕子群
construct.	self-conjugate subgroup
正规 〔不变〕 子群
construct.	normal divisor

正规子 群: 2 phrases in 1 subject

Technology

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