基于“七普”的“胡焕庸线”两侧人口集疏新态势及影响因素
戚伟, 刘盛和, 刘振

The novel pattern and driving factors of population spatial distribution on both sides of the "Hu Line" based on seventh census in China
QI Wei, LIU Shenghe, LIU Zhen
图1 2020年中国人口密度分布图(按照全国的人口累计百分比分级)
注:基于自然资源部标准地图服务网站GS(2016)1570号标准地图制作,底图边界无修改。
Fig. 1 Spatial distribution of China's population density in 2020 based on cumulative population percentage at national level