“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	ionized hydrogen region ionized impurity ionizer ionizing background ionizing efficiency ionizing energy loss of charged particles Ionizing radiation ionizing radiation ionizing radiation accident Ionizing radiation detector(Nuclear radiation detector) ionizing radiation effect ionizing radiation gas detector with continuous discharge type ionizing radiation luminescence ionizing radiation metrology ionizing radiation preservation of aquatic products ionizing radiation protection ionizing radiation protection materials ionizing radiation semiconductor detector ionizing radiation survey meter ionizing sensor ionizing shock wave ionizing solvent ionizor ion kinetic energy spectrum ion kinetic energy spectrum (IKES)

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。