“dependency ratio”的概念、定义、翻译、参考文献-科学参考

单词	dependency ratio
释义	dependency ratio 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	angle of impedance angle of incidence angle of inclination angle of internal friction angle of intersection angle of lag angle of minimum deviation angle of minimum resolution angle of minimun resolution angle of nutation angle of object field of view angle of parallelism angle of polarization angle of position angle of precession angle of projection angle of reflection angle of refraction angle of repose angle of rock mass movement angle of rotation angle of scattering angle of second curvature angle of separation angle of shear

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