人口自然变动

网络Natural changes in population;natural variaiton of population;population natural dynamics

人口自然变动

1

上海人口自然变动负增长与社会经济发展

Natural decrease in Shanghai population and socioeconomic development
2

从人口学的角度看小城镇建制的变化、人口自然变动异常和大量的人口迁移是产生人口变动的直接因素。论我国人口生育安全

The direct cause of these changes was the change of population fertility , mortality and migration . Study on Population Fertility safety in China
3

生育作为人口自然变动的最重要方面之一，其变化会影响到人口规模、人口结构等其他人口构成要素。

Population natural changes in growth as one of the most important aspects , the changes will affect the size of the population , the population structure and other demographic factors .
4

随着我国低生育水平的逐渐稳定，低出生、低死亡和低自然增长的趋势已经形成，人口自然变动对人口各种结构的影响逐渐减弱。

With the stability of low fertility level , the trend of low birth , low death and low natural increase has been formed . The influence of natural change of population on population structures is decreasing .