黄河流域用水效率的空间格局及动态演进
Spatial distribution and dynamic change of water use efficiency in the Yellow River Basin
图1. 黄河流域与全国用水效率的演变趋势
Figure 1. Trend of change of water use efficiency in the Yellow River Basin and in China
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黄河流域用水效率的空间格局及动态演进
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Spatial distribution and dynamic change of water use efficiency in the Yellow River Basin
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图1. 黄河流域与全国用水效率的演变趋势 |
Figure 1. Trend of change of water use efficiency in the Yellow River Basin and in China |
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