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黄河流域能源综合效率的时空演变与驱动因素
关伟1,2, 许淑婷1,*(), 郭岫垚1
Spatiotemporal change and driving factors of comprehensive energy efficiency in the Yellow River Basin
GUAN Wei1,2, XU Shuting1,*(), GUO Xiuyao1

图2. 黄河流域能源综合效率的核密度分布

Figure 2. Kernel density distribution of comprehensive energy efficiency in the Yellow River Basin