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黄河流域用水效率的空间格局及动态演进
刘华军, 乔列成, 孙淑惠
Spatial distribution and dynamic change of water use efficiency in the Yellow River Basin
LIU Huajun, QIAO Liecheng, SUN Shuhui

图5. 空间条件下黄河流域用水效率的静态核密度图及密度等高线图

Figure 5. Static kernel density map and density contour map of water use efficiency in the Yellow River Basin considering spatial proximity of provinces