要素约束背景下西北五省(区)全域旅游基础发展效率测度及时空演化特征
陈彦芳, 崔文杰

Investigating the foundational efficiency and its spatio-temporal evolution of all-for-one tourism in northwest China under factor constraints
Yanfang Chen, Wenjie Cui
图8 2012、2016、2020、2024年西北五省(区)全域旅游基础发展效率时空格局热力图
Fig.8 Spatiotemporal Pattern Heatmaps of foundational efficiency of all-for-one tourism in the five provinces (autonomous regions) of northwest China (2012, 2016, 2020, 2024)