长三角集装箱码头效率时空演化及其影响因素

叶士琳, 蒋自然, 祁新华

Spatio-temporal characteristics and influencing factors of container terminals efficiency in the Yangtze River Delta

YE Shilin, JIANG Ziran, QI Xinhua

图4 长三角地区集装箱码头综合技术效率变异系数演化

Fig. 4 Variation coefficient of comprehensive technical efficiency of container terminals in the Yangtze River Delta