“child aged ratio”的概念、定义、翻译、参考文献-科学参考

单词	child aged ratio
释义	child aged ratio 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	Heron [Hero] of Alexande Heronian mean Heronian tetrahedron Heronian triangle Heron of Alexander Heron of Alexander (约公元1世纪) Heron of Alexandria Hero of Alexanderia Hero of Alexandria Hero of the Greenwood Herores of the Imperial Ming Hero Sisters of Grassland Hero triangle Hero Wu Song herpangina herpes herpes simplex herpes simplex viral vector herpes simplex virus,HSV herpes simplex virus infection herpes virus infection herpesvirus simiae 1 infection herpesvirus simplex virus type 1 herpesvirus simplex virus type 2 herpes zoster

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