“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	reserve base of mineral resources Reserve Bin reserve cadre system reserved land for cultivating reserved taxi reserved volume reserved word reserve identification system reserve of grass products reserve ore of open-pit mine reserve ore of underground mining reserve printing fabric reserves reserves of the miscellaneous taxes reservior engineering reservior engineering scheme reservior inflow flood forecasting reservior project planning reservoir reservoir appraisal reservoir appraisal exploration reservoir aquaculture reservoir architecture reservoir architecture analysis technology reservoir bank collapse

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