继而，通过数学模型的回归研究北京都市区人口分布及空间结构的演化趋势。

Then regression of mathematical models is used to study the distribution of population and the evolution of spatial structure of Beijing Metropolitan Area.

youdao

继而，通过数学模型的回归研究北京都市区人口分布及空间结构的演化趋势。

Then regression of mathematical models is used to study the distribution of population and the evolution of spatial structure of Beijing Metropolitan Area.

youdao