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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
随便看
network problem determination application
network process
network processing
network processing supervisor table
network processing unit
network processor
network product support
network program
network programming
network property
network protection
network protector
network protocol
network protocol data unit
network protocols
network protocol timing
network provider
network quality
network quiescence
network radio
network radio center
network rail
network readezvous point
network readiness testing
network-ready
英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2026/10/24 4:03:19