在我国经济转型阶段，通过预测人口规模来确定用地规模的方法存在着较大的不确定性，不能完全适应现在的城市管理需要。
In the economic transitional period, there is a big uncertainty to predict the urban land scale by predicting the population scale, which now can not meet the requirements of the urban administration.
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。
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.
其次，运用人口统计分析技术建立模型，预测未来十年的人口结构变化，包括人口规模、家庭户数、家庭规模和家庭类型。
Secondly, the use of demographic analysis modeling to predict the next decade, demographic changes, including population size, number of households, family size and family type.
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