In the study of the method for extracting topographic patterns based on Grid data, the author introduces the terrain profile analysis method and the falling water simulations method.
在研究基于规则格网数据地形特征提取过程中，本人先后介绍了断面极值法和流水模拟法。
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In the study of the method for extracting topographic patterns based on Grid data, including the terrain profile analysis method and the falling water simulations method.