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.
在研究基于规则格网数据地形特征提取过程中，主要有断面极值法和流水模拟法。
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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