“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	high dimensional wavelet high dimension media high dispersion high dispersion spectroscopy high dispersion spectrum high distinct TV high diving high-dose irradiation sterilization high dose/refuge resistance management strategy high-dose strategy high-ductility steel High Dynamic Range high dynamic range high dynamic range image high dynamic range image, HDR image high-earth orbit high efficiency and clean combustion high efficiency combustion equipment for biomass high efficiency cutting high efficiency deep grinding high-efficiency grinding high efficiency permanent magnet traction motor high efficiency platform for clean steel high efficiency video coding standard high efficient selection of strain

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。