“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	destabilizing effect destaticizer desthiobiotin De Stijl de stijl destination brand Destination marketing Destiny to Have a Dance Destouches destrengthening DES triple DES destroying computer information system destroying parasites for curing malnutrition destroy primitive Destruction destruction Destruction and Reconstruction destruction mechanism of archives by the photochemical reaction destruction of blasting materials destruction of the spatial structure of proteins Destruction of the Tea in Boston destruction operator destruction test for SRM destruction test of SRM destructive detector

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