The methods to obtain the Digital Terrain Model (DTM) from contour map by scan digitizing were studied.
本文还研究了通过扫描数字化等高线图建立数字地形模型的方法。
In the process of GIS scan digitizing, there are many errors including systematic errors and gross errors in the obtained data.
在对GIS扫描数字化过程中，所采集的数据里经常含有系统误差和异常误差。
So Google asserts in defending its right to scan copyrighted materials. The process of digitizing books transforms them, the company contends, into something else;
Google坚持拥有其对专利材料扫描拷贝的权利，认为书经过数码化之后已转换了性质。
So Google asserts in defending its right to scan copyrighted materials. The process of digitizing books transforms them, the company contends, into something else;
Google坚持拥有其对专利材料扫描拷贝的权利，认为书经过数码化之后已转换了性质。
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