“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	constraint equations constraint filter constraint force constraint function constraint knowledge constraint language constraint length constraint matrix constraint mechanism constraint method constraint model constraint of position constraint of velocity constraint problem solving constraint programming constraint propagation constraint qualification constraint reasoning constraint relational model constraint satisfaction problem constraint satisfaction problem, CSP constraint satisfaction problems constraint set constraint solving algorithm constraint violation stablized method

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