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4 2021年中国中心城市间高铁通达时间格局
Fig. 4 2021 China's central cities between high-speed railway access time pattern