渤海海峡跨海通道建设前后区际城市群物流网络结构的时空演变

王泽东, 张小林, 孙东琪, 孙海燕

Spatial-temporal evolution of the logistics network structure of inter-regional urban agglomeration before and after the construction of the Bohai Strait cross-sea channel

WANG Zedong, ZHANG Xiaolin, SUN Dongqi, SUN Haiyan

图4 2020—2050年物流网络子群结构演化

Fig. 4 Evolution of the subgroup structure of the logistics network from 2020 to 2050