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