请输入您要查询的字词:
单词
抚养系数
释义
抚养系数
Encyclopedia
医学
老年流行病学
释
dependency coefficient
抚养系数
人口中非劳动年龄人口数与劳动年龄人口数之比。又称抚养比、年龄抚养比、抚养率或负担系数。
随便看
visible light photography
visible light seeker
visible light sensor
visible light source
Visible light therapy
Visible Man
visible market of mining right
visible matter
visible mutation
visible nulling coronagraph
visible optical isolator
visible point
visible point vector identity
visible radiation
visible range
visible range, visible region
visible region
visible remote sensing
visible remote sensing of atmosphere
visible semiconductor laser materials
visible spectral response
visible spectrum
[visible speech] sound spectrograph
visible speech sound spectrograph
visible square
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/9/8 12:40:14