“抚养比”的概念、定义、翻译、参考文献-科学参考

单词	抚养比
释义	抚养比 Encyclopedia 法学年龄释 dependency ratio抚养比人口中非劳动年龄人口数与劳动年龄人口数之比。又称抚养系数或负担系数。用百分比表示。
随便看	electro-optical jamming electro-optical jamming materials electrooptical modulation electro-optical modulator electro-optical Q-switched technology electro-optical telemeter electro-optical tracking system electro optic coefficient electro-optic coefficient electro-optic constant electro-optic crystal electro optic deflection electro-optic deflection electro optic effect electro-optic effect electro-optic effect of liquid crystal electro optic effect waveguide device electro-optic effect waveguide device electro-optic materials electro optic modulation electro-optic modulation electrooptic radar calibration technique electro optics electro-optics electro-optic sampling

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。