Based on the theory analysis of the economic increasing effect of urban scale agglomeration, the paper gives a research on Chinese urbanization and the existing system of city's population scale.
文章在对城市规模聚集的经济增长效应进行理论分析基础上，对我国城市化进程和城市人口规模体系现状进行了研究。
The theory of economic cycle involves the research on the length of economic cycle. Compared with the ARMA method frequency scale method has several advantages.
经济周期的理论必然涉及经济周期长度的研究，相对于常用的自回归移动平均方法，谱分析方法具备一定的优点。
应用推荐