东北地区交通优势度演变格局及影响机制
孙宏日, 刘艳军, 周国磊

The spatiotemporal differentiation and mechanisms of traffic dominance in Northeast China
SUN Hongri, LIU Yanjun, ZHOU Guolei
图1 交通优势度及影响因素理论框架
Fig. 1 Theoretical framework of traffic dominance and its influencing factors