中国中心城市铁路客运的空间联系及其结构图谱
王海江, 苗长虹

Railway passenger transport spatial contacts and their structure Tupu of central cities in China
Haijiang WANG, Changhong MIAO
图2 全国中心城市铁路客运班次空间分布
Fig. 2 China's central cities railway passenger transport train schedule spatial structure