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The topographic map contains a large amount of elevation information, and is an important source of DEM data.
地形图中包含了大量的高程信息,是DEM数据的重要的来源。
youdao
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The topographic map contains a large amount of elevation information, and is an important source of DEM data.
地形图中包含了大量的高程信息,是DEM数据的重要的来源。
youdao