primary sample unit

查询英语单词中文释义、音标、发音和例句。

primary sample unit
英 [primary sample unit]
美 [primary sample unit]

中文释义

初级抽样单位

单词分析

单词结构：

primary sample unit

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：primary sample unit
  • 核心含义：初级抽样单位

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更新时间：2026-08-28 22:23:05