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首页 > 英汉词典 > old age dependency ratio

old age dependency ratio

英 [old age dependency ratio]
美 [old age dependency ratio]

中文释义

扶老比

单词分析

单词结构:

old age dependency ratio

字母数:24

记忆提示

🎯 重点记忆:

  • 单词拼写:old age dependency ratio
  • 核心含义:扶老比

最近查询:

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更新时间:2026-02-02 18:22:53

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