通过建立DEM和研究区域三维地貌模型发现，两试验区地形地貌特征差异较大。
Through establishing DEM and three dimensional landform models of study areas, we discovered, two pilot areas have obvious difference in geographic and geomorphologic characteristic.
通过建立DEM和研究区域三维地貌模型发现，两试验区地形地貌特征差异较大。
Through establishing DEM and three dimensional landform models of study areas, we discovered, two pilot areas have obvious difference in geographic and geomorphologic characteristic.
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