胡焕庸线两侧的人口分布与城镇化格局趋势----尝试回答李克强总理之问

陈明星, 李扬, 龚颖华, 陆大道, 张华

The population distribution and trend of urbanization pattern on two sides of Hu Huanyong population line: A tentative response to Premier Li Keqiang

Mingxing CHEN, Yang LI, Yinghua GONG, Dadao LU, Hua ZHANG

图4 胡焕庸线形成的综合自然因素

Fig. 4 Integrated physical factors in the formation of Hu line