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贵州省乌江流域人口分布与地形的关系
程东亚, 李旭东()
Relationship between population distribution and topography of the Wujiang River Watershed in Guizhou province
CHENG Dongya, LI Xudong()

图7. 栅格数据分县区数据检验

Fig. 7. Raster data tested by county and district