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aged dependency ratio
aged dependency ratio
英
[aged dependency ratio]
美
[aged dependency ratio]
中文释义
老年抚养率
单词分析
单词结构:
aged dependency ratio
字母数:21
记忆提示
🎯 重点记忆:
单词拼写:aged dependency ratio
核心含义:老年抚养率
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更新时间:2026-03-19 21:34:58