中国城市群高铁通达格局与空间交叠特征
郑文升, 熊亚骏, 王晓芳, 黄建武

High-speed railway access pattern and spatial overlap characteristics of China's urban agglomerations
ZHENG Wensheng, XIONG Yajun, WANG Xiaofang, HUANG Jianwu
图3 2021年中国城市群高铁通达格局
Fig. 3 High-speed railway access pattern between each pair of central cities in 2021