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单词
aged-child ratio
释义
aged-child ratio
网络
老年幼年比;比
网络释义
1.
老年幼年比
统计学专业词... ... 年龄别生育率 age-specific fertility rate
老年幼年比
aged-child ratio
综合指数 aggregate index number ...
yingyucihui.scientrans.com
2.
比
④老少
比
(
Aged-Child Ratio
)是指老年人口数与少儿人口数之比。老少比 同时考虑了人口年龄构成中高、低两头的年龄组的 …
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例句
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inside pitch line length
inside planking
inside plant
inside-plant
inside plant cable
inside ply
inside pocket
inside point diameter
inside price
insider
inside race
inside radius
inside rail
inside rail gear rack
insider attack
insider deal
insider dealer
insider dealing
insider dealing
insider-dealings
Insider Dealing Tribunal
inside rear view mirror
inside recess
inside recessing tool
inside reinforcement of side post
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更新时间:2026/4/28 13:07:41