“老年人口系数”的概念、定义、翻译、参考文献-科学参考

单词	老年人口系数
释义	老年人口系数 Encyclopedia 医学老年流行病学释 coefficient of aged population老年人口系数老年人口在某个国家或某个地区的总人口构成中所占的比例。又称老年人口比例。
随便看	classical Runge-Kutta method classical scheduling classical school classical school of criminology classical semi simple ring classical series classical set theory classical solution classical source of fields classical space classical special function classical spin model classical stability classical statistical theory classical statistics classical Stefan problem classical structure classical subalgebra classical surface classical swine fever classical swine fever virus，CSFV classical symbol classical system classical technique for order preference by similarity to ideal solution classical test theory

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。