中国省域城乡要素流动测度方法与时空特征
张溢堃, 王永生

Measurement methods and spatio-temporal characteristics of urban-rural factor flow in China
ZHANG Yikun, WANG Yongsheng
图4 2013—2020年中国城乡要素互流动强度指数变化
Fig. 4 Change of intensity index of mutual flow of urban-rural factors in China from 2013 to 2020