dependency ratio
短语词组
- aged -dependency ratio 老年人撫養〔比〕率;老年人撫養〔比
- old age dependency ratio 扶老比
- youth dependency ratio 受撫養兒童人口比;青年扶養率
- Dependency Ratio Ceiling 客工比率頂限
- Total Dependency Ratio 瞻養比率
- old dependency ratio 老年扶養率
- population dependency ratio 人口撫養比
- economic dependency ratio 經濟信賴率 返回 dependency ratio