基于数据包络分析(DEA)模型的陕甘宁地区20042020年城市土地利用效率分析
韩群柱, 朱玲仪, 鄂昱汀, 付芳斌, 张应波

Empirical analysis of spatiotemporal evolution of urban land use efficiency in the Shaanxi-Gansu-Ningxia region in 2004-2020 based on DEA model
Qunzhu Han, Lingyi Zhu, Yuting E, Fangbin Fu, Yingbo Zhang
图2 陕甘宁地区城市土地利用效率空间分布
Fig.2 Spatial distribution map of urban land use efficiency in Shaanxi-Gansu-Ningxia region