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三、地形图在土壤普查中的应用地形图在土壤普查中的应用是多方面的.一张地形图首先给我们提供了一个区域内地物和地貌的综合特征.通过对地形图的判读,可对区域景观有一个概括的了解.在无航片地区,地形图是测绘土壤图的底图.在利用航片进行土壤调查时,它是土壤界线转绘的基础图件.依据地形图可
Application of Topographic Map in Soil Census The application of topographic map in soil census is multifaceted.A topographic map firstly provides us with a comprehensive feature of the landform and landform within the region.Through the interpretation of the topographic map, There is a general understanding of the regional landscape in the no-aerial areas, the topographic map is mapping the bottom of the soil map in the use of aerial photographs of the soil survey, it is the soil mapping of the boundaries of the map. According to the topographic map