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4 2005-2013年中国各铁路局运输效率变化类型
Fig. 4 Three types of transportion efficiency change of Chinese railway bureaus during 2005-2013