二次群是什么意思-二次群的词语解释-相关组词-词语-近音词-同音词 - 掌上跨屏通词语词典

题目

更新时间：2025-02-08 06:00:57

求解答，词语二次群是什么意思？再说说二次群有什么含义？

答案

二次群的百科含义

二次群（secondary group）是1997年公布的铁道科学技术名词。

二次群的词语组词

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二次群的相关词语

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