... 数字地形图 digital topographicmap 纸质地形图 paper topographic map 变形监测 deformation monitoring ...
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Aiming at the existed problem of sparsing elevation points in traditional topographic map generalization, this paper presented the sparsing method for elevation points based on feature points.
针对传统地形图缩编中高程点抽稀存在的问题，提出基于特征点的高程点抽稀的方法，使用此方法一方面可以保留特征点处的高程点，另外可以实现高程点的自动抽稀。
This paper discusses the method of digital mapping in surveying and mapping of topographic map by employing an actual example.
通过工程实例介绍了数字化成图技术在水库库区地形图测绘中的应用。
This paper discusses the renewable method of mine topographic map of underground mining.
论述了井下开采矿井矿用地形图的更新方法。
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