age structure of population

英 [age structure of population]
美 [age structure of population]

中文释义

人口的年龄结构

单词分析

单词结构：

age structure of population

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：age structure of population
  • 核心含义：人口的年龄结构

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更新时间：2026-03-17 02:37:54