Demographic transition has occurred more rapidly in China than in most developed countries. As the population ages, the ......

In order to continue along its path of sustained economic growth,China will need,probably in just a few years,certainly ......

分析了马尔萨斯等经典人口模型的动力机制,建立了基于人口迁徙的城乡人口系统模型,利用系统动力学方法进行计算机迭代仿真；综合其他......