the aging of population的意思|示意
人口老龄化
the aging of population的网络常见释义
老龄化 ...论文帮 关键词：城市公园绿地；老龄化；研究现状；研究方向 [gap=3509]Key words: urban green space;the aging of population;research situation;research prospects ...
人口老化 ... 人口结构 population composition 人口老化 the aging of population 人口普查 census ...
the aging of population相关短语
1、 the aging of a population 老龄人口
2、 the problem of population aging 人口老龄化问题