A practical method of extracting drainage network of watershed from DEM is introduced in this paper.
本文介绍了一种从DEM中提取流域河网水系的实用方法。
Wobei exploration district is a drainage network area, it is hard to carry out seismic construction.
涡北勘探区属于河网地带，难以进行正常的地震施工。
Cesspits and cesspools shall be available in the catering trade not within the service sectors of drainage network.
在排水管网服务区外的饮食业应当设污水池或化粪池。
A set of algorithms for extracting drainage network from digital elevation model (DEM) based on ground water overflow model is introduced.
介绍基于地表径流漫流模型从数字高程模型(dem)提取水系的一系列算法。
This paper presents the hydrologic network design and hydrometry method in the Pearl River Delta, which is very complex in drainage network.
水系复杂的珠江三角洲河网地区具有独特的水文站网布设及水文测验方法。
Method combining DEM with stream network leads to a more accurate drainage network from surface runoff modeling, especially for flat area. Method of modifying existing DEM by add…
水系图与DEM结合的方法可以消除径流模拟结果与现有水系不吻合的现象，有效提高径流模拟精度。
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。
In addition to all the civil construction works, it includes outdoor road project, general drainage network, electricity network, septic tank, power distribution and transformer house.
除全部土建工程外，还包括室外的道路工程、总体给排水、电网、化粪池、变配电房等。
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。
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。
The existing public network for waste water drainage is along south side of the plot and the system is pressurized.
现有的公共污水管网沿着地块的南面，这部分系统是压力系统。
The flow in the drainage pipe network is simulated by one-dimensional unsteady flow theory, and the calculation of the pumping stations, the water gates and submersed pipes is indicated.
采用一维非恒定流方程模拟地下排水管网内的水流，并给出泵站、闸门、淹没出流管道等排水系统的处理方法。
We have designed and have developed the JGY-1 type laser pipeline aligning instrument for rising the accuracy and the productivity of the construction of city drainage pipeline network.
为了提高城市排水管道网络敷设的精确度和生产率，我们设计和研制了JGY-1型激光管道准直仪。
Read blueprints, drawings and specifications to determine layout of plumbing system, water supply network and waste and drainage systems.
解读蓝图，图纸和说明书用来配置管道系统，给水网，污水排水系统。
No drainage entity may drain sewage into the urban drainage pipe network and its accessory facilities if it fails to obtain an urban drainage license.
未取得城市排水许可证书，排水户不得向城市排水管网及其附属设施排放污水。
The water quality evolvement process in Yangtze River drainage area is believed as a complex network system, with having lots of nodes and correlating to the downflow.
长江流域水质演变过程可看成是一个具有多节点，向下流关联的复杂网络系统。
As the rapid process of city infrastructure construction and urbanization, how to protect the safe operation of urban drainage pipeline network is an urgent problem.
随着我国城市化进程和城市基础设施建设的加快，如何保障城市排水管网的运行安全是急需解决的问题。
The city drainage pipeline network needs comprehensive monitoring to keep its operation safety.
保障城市排水管网安全运行，必需对排水管网进行全面监测。
Article 3 to drain sewage into the urban drainage pipe network and its accessory facilities, a drainage entity shall apply for an urban drainage license in accordance with these Measures.
第三条排水户向城市排水管网及其附属设施排放污水，应当按照本办法的规定，申请领取城市排水许可证书。
Pipe network facilities like water supply, drainage, sewage, electricity, gas, heat, communication and cable TV are available to those enterprises in the zone.
高新区可向入园企业提供给水、雨水、污水、电力、天然气、热力、通讯、有线电视等管网设施服务。
In order to improve gas drainage volume, gas drainage on fully mechanized caving face and gas drainage pipeline network system are analyzed.
为了提高矿井瓦斯抽放量，重点分析了综放工作面的瓦斯抽放和瓦斯抽放管网系统方面。
Drainage: Drainage pipeline in the zone connects with municipal pipeline network, so as to make sure that sewage discharges smoothly.
排水：区内的排水管道与市政管网连接，保证污水排放通畅。
Drainage: Drainage pipeline in the zone connects with municipal pipeline network, so as to make sure that sewage discharges smoothly.
排水：区内的排水管道与市政管网连接，保证污水排放通畅。
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