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流域数据
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  watershed data
     Watershed Data Model Design Based on Geodatabase Model
     基于地理数据库模型的流域数据模型设计
短句来源
     Implementation of Taihu lake watershed data sharing system based on smart client
     基于智能客户端的太湖流域数据共享系统实现
短句来源
     Watershed data model:a case study of Xitiaoxi sub-waterhed,Taihu Basin
     流域数据模型研究——以太湖流域西苕溪流域为例
短句来源
     The features, components, structures and relationship of watershed data model were analyzed in this paper, and a watershed model which adapted to watershed in China was developed.
     分析了流域数据模型的特征、组成、结构 ,以及特征之间的相互关系 ,建立了流域数据模型 ,为我国流域数据模型的设计做了有益的探索
短句来源
     3. When database was built, taking land resource unit as geographical unit for watershed data integration, we analyzed in piles land resource unit map and single element map layer of every evaluation factor, acquired attribute data through manipulation on attribution file of produced map layer.
     3.流域数据建库时以土地资源单元作为流域数据集成的地理单元,将土地资源单元图与各个评价因子的单要素图层分别进行叠置分析,通过对各生成图层的属性文件进行操作来获取属性数据。
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  “流域数据”译为未确定词的双语例句
     Research on the security problems in spatial data sharing
     地学数据共享中的数据安全问题探讨——以湖泊流域数据共享系统为例
短句来源
     Design of Data-sharing System Based on Smart Client
     智能客户端模式的数据共享系统构建——以湖泊—流域数据共享系统为例
短句来源
     However it was unable to find a stable parameter set when using the real catchment data with large range of upper and lower boundary values.
     然而,在用到现实中的流域数据的时候,由于数据的上下边界差距很大,很难找出一套稳定的参数。
短句来源
     Aiming at valley data's feature such as multi source, multi dimension, multi type, multi variant, multi volume, multi subject, this paper uses the design thought of "subject point source database", which can meet the fusing management of valley data in great quantity, to build digital valley engineering. Based on "Subject point source database" system,"Multi S" integrating stage development model of "digital vally" is established.
     针对流域数据“五多”的特点 ,提出应用主题式点源数据库的设计思想开展数字流域工程建设 ,实现流域海量数据的一体化管理 ,并以主题式点源数据库系统的建立为核心构筑数字流域的“多 S”集成层次开发模式 .
短句来源
     Analyzing and comparing several texture mapping methods in computer graphics, the system studies arithmetic model of texture mapping according to complicated valley terrain and physiognomy and its remote sensing data features.
     在分析比较计算机图形学中的几种典型纹理映射方法基础上 ,针对复杂流域地形地貌和卫星遥感流域数据源特点 ,研究了相应的纹理映射算法模型。
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  相似匹配句对
     DATA
     数据
短句来源
     DATA & INFORMATION
     数据
短句来源
     Spatio-temporal hydrological data model for watershed hydrological process simulation
     流域水文时空数据模型初探
短句来源
     Data management system of digital elevation model for a large river basin
     大流域数字高程模型数据管理系统
短句来源
     The modelling of basin flood
     流域洪水模拟
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  watershed data
The estimated balances are based on watershed data from seven information sources.
      
Success in advancing a number of 'acid precipitation' goals has demonstrated the usefulness of these integrated watershed data for inter-ecosystem comparison and for analogy between watersheds.
      
Defoliation effects on stream chemistrydue to repeated, and sometimes intense, insect defoliationover the past several years were seen as reduced streamnitrate concentrations in a watershed data set (n = 11) thatincluded 100% forested lands only.
      
The Student Watershed Research Project (SWRP): collecting watershed data for use by resource management agencies
      
As the BLWDSS is a data intensive project and deals with spatial as well as non-spatial data, a geodatabase was created to handle watershed data.
      
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In this paper, the modelling problem in the flood forecast was solved by the method combined wifh the concept model in the hydrology and the parameter identification in the control theory. This method had been verified with the data gathered from the river basin of Huanglongtan hydroplant in Hubei Province and the river basin of Yongdinghe river and Yanghe river in Hebei Province. The predicted accuracy had been improved by this method.

本文将水文学中的概念模型和控制理论中的参数辨识方法相结合起来解决洪水预报中的模型问题.这一方法曾用湖北省黄龙滩水电厂水流域及河北省永定河洋河流域的数据进行验证.预报精度有所改进.

Aiming at valley data's feature such as multi source, multi dimension, multi type, multi variant, multi volume, multi subject, this paper uses the design thought of "subject point source database", which can meet the fusing management of valley data in great quantity, to build digital valley engineering. Based on "Subject point source database" system,"Multi S" integrating stage development model of "digital vally" is established.

针对流域数据“五多”的特点 ,提出应用主题式点源数据库的设计思想开展数字流域工程建设 ,实现流域海量数据的一体化管理 ,并以主题式点源数据库系统的建立为核心构筑数字流域的“多 S”集成层次开发模式 .

The development of flood routing simulation system is an important component of "digital valley" study.The flood boost in stream channel and flood inundation at valley's area can then be simulated under virtual environment on the basis of advanced computer technology such as simulation and visualization. Visualization of the system is based on the simulation of valley's terrain,and valley's three-dimensional sight realization is the important visual demand in flood routing simulation system. Texture mapping...

The development of flood routing simulation system is an important component of "digital valley" study.The flood boost in stream channel and flood inundation at valley's area can then be simulated under virtual environment on the basis of advanced computer technology such as simulation and visualization. Visualization of the system is based on the simulation of valley's terrain,and valley's three-dimensional sight realization is the important visual demand in flood routing simulation system. Texture mapping is an important method to realize valley three-dimensional sight. Analyzing and comparing several texture mapping methods in computer graphics, the system studies arithmetic model of texture mapping according to complicated valley terrain and physiognomy and its remote sensing data features. Selecting Visual C++, a system development language and OpenGL technology, using inverse perspective and non-parameter mapping approach, this paper realizes the texture sticking of QingJiang River sight on the already-built three-dimensional mesh terrain on the basis of QingJiang River's real data, achieves the natural and real three-dimensional visual effect in valley sight.

洪水演进仿真系统的研制是进行“数字流域”工程建设的重要研究内容 ,系统的研制必须利用先进的模拟仿真与可视化方法等现代计算机技术 ,在计算机生成的虚拟环境中 ,对洪水在现实河道里的推进情况以及洪水对流域内区域的淹没情况进行仿真模拟。系统的可视化以流域地形的仿真为基础 ,流域三维景观的生成则是洪水演进仿真系统的主要可视化需求 ,纹理映射技术是实现流域三维景观的重要技术手段。在分析比较计算机图形学中的几种典型纹理映射方法基础上 ,针对复杂流域地形地貌和卫星遥感流域数据源特点 ,研究了相应的纹理映射算法模型。使用VisualC ++系统开发语言 ,依据清江流域的真实数据源生成清江流域三维网格地形 ,并基于OpenGl技术 ,运用逆透视过程和非参数映射方法 ,实现了清江流域三维景观的真实纹理粘贴 ,使生成的流域景观具有真实自然的三维可视化效果。

 
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