基于百度慧眼的中国收缩城市分类研究 |
孟祥凤, 马爽, 项雯怡, 阚长城, 吴康, 龙瀛 |
Classification of shrinking cities in China using Baidu big data |
MENG Xiangfeng, MA Shuang, XIANG Wenyi, KAN Changcheng, WU Kang, LONG Ying |
图3 2016—2018年不同常住人口减少比率的网格数量分组统计 |
Fig. 3 Grouping statistics of the number of grids with different reduction ratios of permanent population from 2016 to 2018 |