And according to the forecast results, this article has estimated the optimum population size considering urban economic carrying capacity.
根据预测的结果，文章中计算了基于城市经济承载力的北京市最优人口数量。
The changes of average income a year of urban population in Shanghai and cities and towns are analyzed and forecast. According to the international universal purchasing power coefficient R.
接着分析和预测了我国城镇和上海市居民家庭年均收入变化情况，并根据国际通用的购买力系数R，对普通家庭购买经济型轿车能力及形成年份作了预测。
Study of population size hierarchy is the groundwork of the city planning. It is important to the population forecast of cities and urban system planning.
城市规模分布研究是城市规划中的一项基础性研究工作，对准确预测城市人口规模以及合理确定城镇体系结构具有非常重要的意义。
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