The aim of thepaper is to construct a holistic framework of digital watershed model system.
本文的研究目标就是建立全流域的数字流域模型框架。
With the digital earth notion coming into being and the development of the technology system, construction of digital watershed has more technic support.
数字地球的产生及其技术体系的完善，为建立数字流域提供坚实的技术支撑。
The watershed topography is a key factor for extraction of the drainage, and it is also a very important topic in the study of digital watershed and the distributed hydrological models.
流域地形是决定水系生成的一个关键性因素，是数字流域和分布式水文模型研究的主要内容。
The drainage network codification method of Digital Watershed Model makes it possible to locate any section of drainage network directly and operate the topological relationship effectively.
数字流域模型的河网编码方法使河网中河段的直接定位和拓扑关系运算更为方便。
A method of distinguishing watershed borderline, of ascertaining water flow direction on a slope, and of calculating watershed parameters with digital elevation model is introduced and discussed.
探讨了利用数学高程模型识别流域分水线、确定坡面水流方向以及计算流域参数的方法。
Image segmentation plays a very important role in digital image processing. The watershed transform is one of the commonly-used image segmentation methods.
图像分割技术在数字图像处理领域占有非常重要的地位，分水岭变换是一种常用有效的图像分割方法。
Image segmentation plays a very important role in digital image processing. The watershed transform is one of the commonly-used image segmentation methods.
图像分割技术在数字图像处理领域占有非常重要的地位，分水岭变换是一种常用有效的图像分割方法。
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