Age structure effect — Changes in the age distribution induced by the rate of population growth.
年龄结构效应——由人口出生率引起的年龄分布变化。
The size structure and distribution pattern of Picea mongolica population on sand dune and their rerlationship to eco-environment are studied by size structure in place of age structure.
本文用种群大小结构代替年龄结构研究了沙地云杉种群的大小结构、分布格局和动态规律。
And "demographic dividend" changes driven by population age structure will affect a country or region's economic growth. So it is an attractive issue on how to make full use of "demographic divided".
其中人口年龄结构变动所产生的“人口红利”效应对一个国家或地区的经济增长具有重要影响。
应用推荐