河道地形 river terrain(6) channel topography(1) river channel landform(1)   river terrain      Membrane method to simulate the contour of river terrain      薄膜法进行河道地形等值线仿真 短句来源      Based on GIS and system integration technology, the automatic mapping of river terrain, the spatio temporal management of terrain information, the 3D terrain expression, and the deposition scouring analysis for any time interval and any location are realized, and a river terrain information system of specialistic treatment and analysis is formed.      采用GIS及系统集成技术 ,使长江镇扬河段GIS实现了河道地形测量制图自动化、地形信息时空管理与三维地形表达和任意时段、任意空间的河道冲淤分析 ,形成了专业处理与分析的河道地形信息系统 ,解决了长期困扰水利部门河道地形信息管理与地形分析手段落后的难题 . 短句来源      By analysis of hydrographic characters,river terrain,river facies and fluvial process in guangyuan city of jialingjiang river,combined the requirement of guangyuan city's flood control current status,city development planning,beautification landscape and constructional land use,the dig scheme in Tashanwan curve conduit has been discussed.      通过对嘉陵江广元市区河段水文特性、河道地形、河相关系及河床演变规律的分析,结合广元市防洪现状及城市发展规划、美化景观、建设用地的要求,对塔山湾弯道开挖方案进行了探讨。 短句来源      The finite element method of simulating topographical contour proposed to measure the control sections of river terrain is described in this article, and this method have been developed using a number of analogues such as topography, membrane,elastic network and finite element numerical modeling.      利用地形、薄膜、弹性网、有限元数值模型,针对河道地形控制断面的特点提出了地形等值线的有限元仿真方法,其具有概念明确、编制程序简单、绘制的图形更精确等特点,利用该方法确定的河道地形比较自然,比一般插值方法更接近河道的真实情况. 短句来源      According to the data of hydrology,sediment and the river terrain of harbour section of the Yangtze River obtained from field measurements,the changes of river are analyzed,some preliminary conclusions and advice are put forward to exploit shoreline rationally.      根据长江实测水文、泥沙、河道地形等资料,分析港区所在河段的河势变化,从河床角度提出了适宜港岸线利用规划的初步结论和建议。 短句来源 更多          channel topography      The main procedure and concrete method for establishment of 3-D surface of channel topography by using GIS and for calculation and analysis of channel storage and changes in scouring and siltation are presented.      介绍了利用GIS建立河道地形三维表面 ,计算分析河段槽蓄量以及冲淤变化的主要步骤和具体方法。 短句来源   river channel landform      Aimed at the issue of flood prevention in Lanzhou reach of the Yellow River and the river channel, the important parameter for river channel harness experiment, i.e., the minimum harnessing river channel width in flood, is determined after analysis of river channel landform, relation of river facies, flows and river bed evolutions.      针对黄河兰州段的防洪及渠化问题，在对河道地形、河相关系、水流及河床演变进行分析后，确定了河道整治试验的重要参数，即洪水最小整治河宽。 短句来源   “河道地形”译为未确定词的双语例句      With OOP ( Object Oriented Programming) as its technology basis, with Visual C++ 6.0 as its development tool, it realized the visualization revelation of the effect of bridge on river way flood discharge by using data-base of OpenGL and its perfect facticity revelation.      本文采用面向对象的编程技术,以Visual C++6.0为开发工具,利用openGL提供的图形函数库及其完善的真实感显示功能,实现了河道地形网格显示、河道地形高程云图显示、河道地形真实感显示、流场真实感显示、流场流速矢量图显示及相关流场水深流速图的显示等。 短句来源      The main content of this paper is to describe the vision of river way terrain and flow by using visualization method, including the related searching function of flood alarm system.      本文研究内容是将河道地形及流场显示用可视化方法进行表述,包括洪水警示以及相关功能查询。 结合实际工程以及目前可视化系统开发情况,着重探讨了桥梁对河道泄洪影响可视化评价系统的实现。 短句来源      It includes: the management of river channel terrain data, the visualized expression of river channel terrain and models of riverbed evolution analysis.      主要包括:河道地形数据管理、河道地形可视化表达及河床演变分析各功能模块的设计。 短句来源      Especially it researches 3D expression and render of river channel terrain, 3D modeling of complex river project substance using the 3D technology of ArcGIS Engine.      重点研究了ArcGIS Engine三维功能下的河道地形三维显示与渲染,复杂河道工程对象的三维建模。 短句来源      It is found that the height of tidal bore is positively related to the tide,and negatively related to the river topography. The height of tidal bore is positively related to the runoff when the discharge is less than 7 000 m~3/s. However they are negative correlation relationship if the discharge is greater than 7 000 m~3/s.      研究结果表明:潮头高度与下游潮汐呈正相关关系,而与河道地形呈负相关关系,当径流流量小于7 000 m3/s时,潮头高度与上游径流也呈正相关关系,超过此范围,则呈负相关关系。 短句来源 更多        查询“河道地形”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   channel topography Ion Channel Topography of the Neuronal Nicotinic Acetylcholine Receptor: Pharmacochemical Approaches 例句来源       Lawrence estuary is largely determined by the channel topography. 例句来源       It is predominantly a shallow basin with some slope and channel topography at its mouth; the remainder is in the form of shallow flats. 例句来源                In basic equations of an unsteady flow consider just the energy loss due tothe cross section change. In an actual irregular channel, when the boundaryand the initial conditions are given, the real dam-break flood wave can beregarded as one dimensional flow. Using characteristic type difference schemethis one dimensional flow is simulated mathematically by electronic com-puter. The results including the calculated stage, discharge, and width of dambreak flood are well consistent with the field data. This res...             本文在不稳定流基本方程中,仅仅考虑由于水流横断面变化引起的能量损失,用特征型差分格式,在给定的初始、边界条件下,将天然不规则河道的实际溃坝洪水波作为一维流考虑,借助电子计算机进行数学模拟。所获得的结果,包括计算水位、流量和溃坝洪水泛滥宽度等水流变量,与现场调查的资料比较,吻合较好。这一结果表明,数学模型在研究溃坝波方面是可行的办法。 河道地形资料概化中的误差,可能是计算中出现个别不合理结果的一个原因。 关于溃坝波有待进一步研究的课题,包括溃坝波二维数学模型以及在水库非常泄洪或自溃坝场合下过桥水流的数学模拟,等等。 文摘来源          An improved numerical method to calculate the flow fields in natural rivers is proposed by using an adaptive coordinate transformation with which the computational grids adapting to the complicate topographic and hydraulic conditions of the rivers are generated. It is based on a presentation of a new pair of velocity components corresponding to the transformed coordinate system and a fractional step method in which momentum advection is calculated using the method of characteristics on the physical domain a...             天然河道复杂的地形及水力条件常导致流场计算的困难。本文应用适应型坐标变换方法使流场的计算网格能适应性地反映天然河道的地形与水力条件的变化特征,从而大大增加数值计算的适应性与合理性。计算河道流场时在坐标变换系统中引入了新的速度分量,并采用物理概念上的分型数值格式。最后以辽河某河段的流场与潮位计算作为实例验证了方法的实用性和可行性。 文摘来源          MAHU bank locates at the south side of the Yangtze River, about 40 km downstream of the outlet of Lake POYANG. Although it is only 4.47 km long, it protects PENGZE county JIANGXI Province from flood disasters, and it has already been one of the important bank works of the YANGTZE River. Unfortunately, here had happened large bank slides two times on the 3 rd and 8 th of January, 1996 respectively, which caused heavy disasters with more than 50 million RMB Yuan of direct financial lose. They attrac...             长江马湖大堤位于鄱阳湖出口以下约４０ｋｍ的长江南岸，全长４．４７ｋｍ，保护着江西省彭泽县城，是长江干流重点堤防工程．１９９６年１月３日和８日，马湖大堤相继发生两起特大崩岸事件，造成重大伤亡，直接经济损失５０００余万元，引起了国务院、省、地、县领导的高度关注．有关单位对现场进行勘测，掌握了崩岸区河道地形变化，查明了现场的地层结构、岩性、土壤物理力学性质和地下水的分布情况等．根据勘测资料，分析了崩岸滑体形态特征和崩岸时的水文条件和地下水位状态，探讨了堤岸自然形态和水文条件对马湖崩岸的影响． 文摘来源   << 更多相关文摘         相关查询: 河道数字地形 河道 地形 动力地形 河道开发 地形效应 非对称地形 地形资料 地形剖面线 凹陷地形 地形漫游 地形复杂度  对查询结果不满意

CNKI小工具 在Springer中查有关的英文论文 在知识搜索中查有关河道地形的内容 在数字搜索中查有关河道地形的内容 在概念知识元中查有关河道地形的内容 在学术趋势中查有关河道地形 的内容

CNKI主页 |  设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务

2008 CNKI－中国知网

京ICP证040431号 互联网出版许可证 新出网证(京)字008号 北京市公安局海淀分局 备案号：110 1081725  2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社