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- Extraction of digital drainage network from DEM(Digital Elevation Models) is the base of distribution hydrological model. The source of DEM are various. 基于数字高程模型DEM(Digital Elevation Models)提取水系信息，是研究分布式水文模型的基础。
- TRAVERSAL ALGORITHM BASED ON MULTI-SUBTREES AND ITS APPLICATION ON THE TOPOLOGICAL RELATIONSHIP IN DIGITAL DRAINAGE NETWORK 基于多叉树的遍历算法在数字水系拓扑关系计算中的应用
- digital drainage networks 数字水系
- digital drainage network 数字水系
- digital drainage network model 数字水系模型
- New Stormwater drainage network. 新的雨水排放系统。
- Drainage networks for the Three Gorges interbasin area and the middle and lower reaches of the Xijiang River Basin of Guangdong Province are derived by use of ARC/INFO and RiverTools based on the digital elevation models (DEMs) of different scales. 在广东西江中下游区间流域和长江三峡区间流域上 ;运用ARC/INFO和RiverTools ;由数字高程模型 (DEM )分别导出了不同空间比例尺下的流域流水网 .
- On the basis of raster DEM data in the Baohe River basin, this paper presents an application of DEDNM to generate drainage network automatically, build digital basin, and extract drainage network to establish the topological river network structure. 本文基于褒河流域栅格数字高程模型DEM(Digital Elevation Model)数据，采用数字高程水系模型DEDNM(Digital Elevation Drainage Network Model)，自动生成河网，构建数字流域，提取流域水系信息，建立流域水系空间拓扑关系。
- Focus on road and bridge projects, urban drainage network, gas heat pipe network, telecommunications power network construction. 重点抓好路桥工程、城市给排水管网、燃气热力管网、电信电力管网建设。
- This paper issues the framework and definition of the codification method in the DWM,delineates a drainage network in this special way with its own numerical character. 阐述了数字流域模型河网编码方法的主要思路和基本定义,给出了这种编码方法对河网拓扑关系的描述方式,并结合实例分析了其数值特征。
- digital elevation drainage network model (DEDNM) 数字高程流域水系模型
- The validity of drainage network and the rule of terrain characteristics from different grid size DEMs are researched, and the quantitative basis is provided for the confirmation of hydrological model parameters. 研究在不同网格DEM基础上生成的流水网的有效性及地形特征值的规律,为流域水文模型参数的确定,提供定量依据。
- As one of the major venous circuits of the extrahepatic portal circulation,the venous arcades of the pancreatic head forms the venous drainage network of the pancreas,jointly with some ... 作为肝外门静脉系统最重要的两大静脉属支环路之一的胰头静脉弓和来自脾静脉、肠系膜上静脉的属支组成了引流胰腺血液的静脉框架。
- Sewage treatment plants, urban drainage network transformation, rivers, such as the comprehensive rectification of the large number of key construction projects has lagged far behind. 污水处理厂、城市排水管网改造、河道综合整治等一些关键性的大项目建设明显滞后。
- Drainage network codification method for digital watershed model 数字流域模型的河网编码方法
- The Research on the Fraction of Drainage Network 水系分形研究的若干思考
- three-dimension drainage network 三维土工排水网
- hydraulic model software for drainage network 排水管网水力模型软件
- Most of the computers we are using are digital computers. 我们正在使用的计算机大多数是数字计算机。
- Generalization of Drainage Network with Density Differences 顾及密度差异的河系简化
