“dependency coefficient”的概念、定义、翻译、参考文献-科学参考

单词	dependency coefficient
释义	dependency coefficient 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	Village Discovery village drainage system village elections village fair village governance system village group Village Head Election Village in August village in the city village-level eco-economic niche village-level survey village office Village Officer village of new harmony village planning village planning content village planning land classification village planning methods village planning system village protection forest village retention fee village road villager participation villager resettlement villagers agreement

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。