proportion of old population
英
美
- n.老龄人口比重
双语例句
- The proportion of regular smokers increases with age.
习惯吸烟的人口比重随年龄的增长而上升。 - China's population continues to grow,the proportion of the aged is getting larger,and the pressure on employment and social security is mounting.
人口总量继续增加，老龄人口比重上升，就业和社会保障压力增大。
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