population age distribution的意思|示意

The age structure of Chinese sports population take on a distribution of "saddle shape", which showed that the ageing population (especially the female elderly) makes an important role in it.

根据研究表明，我国体育人口年龄结构呈现“马鞍型”分布，老年人口是体育人口的重要组成部分。

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。

Conclusion Age distribution of tuberculous infection of specific population could be calculated by a mathematical model on the basis of specific data.

结论可以利用特定资料通过数学模型来推算和预测特定人群的结核菌感染年龄分布。

Thirdly, adjusting the changes of population flow in the school age and among the distribution of the city and country so as to make sure the resources are equally allocated among schools.

适应学龄人口流动与城乡分布结构变化，实现校际办学资源均等配置；

The population pattern was of clustered distribution, with the aggregating intensity increased with age.

种群分布格局总体上呈聚集型，随年龄增加聚集强度增加。

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。