variance within primary sample units

英 [variance within primary sample units]
美 [variance within primary sample units]

中文释义

初级抽样单位内的方差

单词分析

单词结构：

variance within primary sample units

字母数：36

记忆提示

🎯 重点记忆：

  • 单词拼写：variance within primary sample units
  • 核心含义：初级抽样单位内的方差

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更新时间：2026-01-30 01:55:52