长江经济带水-能源-粮食耦合效率的时空演化及影响因素
秦腾, 佟金萍

Spatiotemporal change of water-energy-food coupling efficiency and influencing factors in the Yangtze River Economic Belt
QIN Teng, TONG Jinping
图1 2003—2017年长江经济带水-能源-粮食耦合效率平均值和变化趋势
Figure 1 Average value and trend of water-energy-food coupling efficiency in the Yangtze River Economic Belt, 2003-2017