“老少比”的概念、定义、翻译、参考文献-科学参考

单词	老少比
释义	老少比 Encyclopedia 法学年龄释 child aged ratio老少比总人口中老年人口数与少儿人口数之比。一般以百分数表示。
随便看	monoculture system monocyclic monocyclic complex monocyclic diterpene monocyclic monoterpene monocyclic-monoterpene monocyclic sesquiterpene monocyclic system monocyte monocyte chemoattractant protein monodelphous stamen monodentate ligand mono-diameter drilling technology by SET monodiametric hyperbola monodirectional dictionary monodisperse monodisperse polymer monodispersity monodromic derivative monodromic function monodromy monodromy group monodromy invariance monodromy matrix monodromy of a covering

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