“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	heat conduction calorimeter heat-conduction equation heat conduction of solid heat conduction of the earth heat conductivity heat consumption of hot water heat consumption rate heat content heat convection heat convection of the earth heat cure heat current heat damage heat death heat death theory heat diffusion heat dissipater heat dissipater, heat sink heat dissipation heat dissipation techniques heat driven thermoacoustic cooling cycle heated concrete trace heated laser scalpel =heated lithium ion system 受热锂离子系统 heated printhead of fused deposition modeling

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。