“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	Jiang Zuhui Jian He Wenquan Jianhe Xian Jianhua Qu Jianhua Taiji Quan Jianhu Lake Jianhu Xian Jian Jia Jian Jiang Jian Jian Zhi Shi Jianjielu jianjing Jian Jinglun Jiankang Jiankang Capital Jiankang City Jiankang Landscape architecture during the Wei,Jin and Southern and Northern Dynasties(221-589 AD) Jiankang Shilu (Chronicles of Jiankang) Jian Kiln Jiankun jianli jianliao jianling decoction Jianli Shi Jianmenguan tourist area

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。