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5 2021年中国城市群空间连接格局
Fig. 5 Spatial connection patterns of China's urban agglomerations in 2021