摘要
众所周知,人口问题我国政府一直很关心,而现在它又遇到新的问题和挑战,国家已经实施可生二胎此新的政策。
As everyone knows, the population of our government has been very concerned about, and now it has encountered new problems and challenges, countries have implemented the new policy to a second child.
出处
《佳木斯职业学院学报》
2017年第1期474-,共1页
Journal of Jiamusi Vocational Institute
基金
安徽文达信息工程学院项目资助
项目号:XZR2014B02
关键词
二胎
定常人口
集团人群
递进胎次人口
two steady population group population parity progressive population
