COVID-19疫情对中国城市人口迁徙的短期影响及城市恢复力评价
童昀, 马勇, 刘海猛

The short-term impact of COVID-19 epidemic on the migration of Chinese urban population and the evaluation of Chinese urban resilience
TONG Yun, MA Yong, LIU Haimeng
图6 中国城市恢复指数的阶段演化特征
Fig. 6 Evolutionary characteristics of RRI in China