二级单元是什么意思-二级单元的词语解释-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：2024-11-07 11:45:01

求解答，词语二级单元是什么意思？再说说二级单元有什么含义？

答案

二级单元的百科含义

二级单元（secondary [sampling] unit）是1993年公布的数学名词。

二级单元的词语组词

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二级单元的相关词语

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