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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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elbow piece
elbow pipe
elbow pipe welder
elbow prosthesis
elbow protector
elbow reflex
elbow refractor
elbow rest
elbow rest
elbow room
elbow room
elbow room
elbow
elbow sb aside
elbow sb out
elbow-seat height
elbow separator
elbow-shaped
elbow sight
elbow skin
elbow sleeve
elbow slip joint
elbow sounding pipe
elbows-out
elbow out
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更新时间:2025/10/3 4:13:31