时空角度下极端天气的可达性指标比较
路庆昌,张图,王琴,徐标

Comparison of accessibility indices for extreme weather events from spatiotemporal perspectives
Qingchang LU,Tu ZHANG,Qin WANG,Biao XU
图 8 行程时间的时变特征
Fig.8 Time-varying characteristics of travel time