基于西通道的国家西向流通网络特征与组织模式

文玉钊,陆梦秋,李小建,车冰清,孟德友,史焱文

The characteristics and organizational models of the west circulation network based on the western corridor

WEN Yuzhao,LU Mengqiu,LI Xiaojian,CHE Bingqing,MENG Deyou,SHI Yanwen

图2 2013年与2020年中国高等级节点城市最小时间成本路径

Fig. 2 The paths of minimum time cost of national high-grade node cities in 2013 and 2020