“elderly population”的概念、定义、翻译、参考文献-科学参考

单词	elderly population
释义	elderly population Encyclopedia 法学老年型人口释 elderly population老年型人口 0～14岁人口数量占总人口数量30%以下，65岁及以上人口数量高于总人口数量7%的人口年龄结构。
随便看	flow sensor flow separation flowsheet flowsheet investigation of mineral processing plant flowsheet of sorting Flow shop job sequencing flow shop scheduling flow-shop scheduling problem Flows in Networks flowsnake flowsnake fractal flow spinning flow state flow stress test flow structure flow-suspsion particle interaction flow table flow-through cell flow-through test for aquatic organism flow tube flow-type flow unit flow value flow velocity flow velocity and direction measuring instruments

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