中国铁路运输效率时空演化特征及机理研究

刘斌全, 吴威, 苏勤, 张璐璐

Spatio-temporal evolution characteristics and mechanism of railway efficiency in China

Binquan LIU, Wei WU, Qin SU, Lulu ZHANG

图5 铁路运输效率时空演化机理

Fig. 5 Spatio-temporal evolution mechanism of railway efficiency