“抚养比”的概念、定义、翻译、参考文献-科学参考

单词	抚养比
释义	抚养比 Encyclopedia 法学年龄释 dependency ratio抚养比人口中非劳动年龄人口数与劳动年龄人口数之比。又称抚养系数或负担系数。用百分比表示。
随便看	Farewell to Yunjian Farewell with Hu Xing'an in the Evening Farewell Xiao Ruoyu Farey Farey arc Farey dissection far eye point viewfinder eyepiece Farey fraction Farey sequence Farey series Farey tree far field far-field far-field antenna measurement method far field boundary condition far field cdot far field condition far-field condition far field diffraction far-field diffraction far field diffraction, far-field diffraction far field pattern far-field pattern far field pattern, far-field pattern far field patterns

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