“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	psychological safety psychological scale psychological school psychological script Psychological Selection for Military Personnel psychological selection of astronauts psychological selection of pilot psychological service for prisoner psychological social psychology psychological statistics psychological stress psychological support psychological suzhi psychological system of causality theory psychological tactic psychological television criticism psychological television criticism theory psychological test psychological testing examiner psychological test norm psychological test standardization psychological text psychological theories of crime psychological theory of law Psychological Time

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。