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3 2005-2013年中国铁路运输效率空间格局及演变
Fig. 3 The spatial distribution of railway bureaus' transportation efficiency in China during 2005-2013