“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	Eight Specialists of Xiling eight specialized divisions of building construction eight-square identity eight surface Eight Taels of Gold eight techniques Eight Tibetan Kings Eight Tigers eight-treasure tea eight trigrams eight-vertex model Eight Views of Autumn Moods eight-whisker gudgeons Eight Women Throwing Into The River eighty-four tunes Eighty-one Dreams eighty-seven immortals eigut canals at Houtao of Huanghe River Eihei-ji Eijkman crater Eikoh Hosoe Eiko Ishioka eikonal eikonal equation eikonal [function]

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。