那便使数字城市模型反在否视化入程外逢蒙画造时光以及现示后果互相造约的局势。
This makes digital city model encountered the show effect and rendering time constraint each other in the visualization process.
利用数字城市模型为某运行商设计和开发通信资源管理系统以满足其日益增长的生产和管理需求。
In the use of this model, designed a management system of communications' resources for some operators to help them to rise their efficiency of producing.
本文针对数字城市，提出了一种空间信息模型及结构框架。
In this paper a spatial information model and a frame of digital city were brought forward.
本文提出的互操作理论及模型，在GIS还不十分规范的情况下，对“数字城市”建设中的不同GIS系统实现互操作提供了一种途径和方法。
The theory and model of interoperation, putting forward by this paper in a condition of having not standard in GIS, provide one method and approach to different GIS systems of digital city fields.
【摘要】介绍了如何建立CFD模拟中城市数字模型。
This paper introduces how to set up CFD digital model of city.
“数字城市”的建设必须以人地关系为中心，信息模型为驱动，“人”的数据库与“地”的数据库是“数字城市”的核心数据库。
Digital city construction must be Man Land relationship central and information model driven, people database and Geo database are kernel databases of the Digital city.
将景观类型和哈尔滨市数字高程模型（DEM）相叠加，更加直观地反映了哈尔滨城市郊的景观类型和景观格局；
The landscape types and patterns were directly reflected by the overlay of the landscape types and the DEM of Harbin.
CFD模拟应用在城市规划与城市气候关系的研究中，准确、合理的CFD城市数字模型是进行研究的关键。
An accurate and reasonable CFD model is the key to study the relationships between urban planning and city climate.
GIS学者在研究三维地形可视化和数字城市可视化时，普遍在地形、城市建筑物的几何模型上叠加了纹理。
The scholars in the GIS domain always add adding texture on geometry model of the 3D things in the study on the 3D terrain and the digital city.
因此，如何能在构建数字地球、数字城市时能够快速有效的建构城市建筑模型的研究已引起人们的普遍重视。
And create so many models in Digital City is very time-consuming. Therefore, much more attention was paid on how to build models more effective and more reasonable.
介绍了数字城市的框架体系和三维城市模型的建模过程，探讨了城市建筑物的CSG建模方法。
This paper introduces the frame system of digital city and the process of 3d city model, discusses CSG model method of buildings.
本文在对数字城市的研究体系和三维城市模型进行分析的基础上，着重对数字城市建筑物的构造实体几何(CSG)建模方法进行了研究。
On the basis of analysis of digital city research framework and existing 3d urban model, this paper researches mainly the techniques of building model based on CSG in digital city.
“数字城市”是一个能够实现城市综合管理与决策支持的、虚拟的、具有开放性的城市模型。
Digital City "is a virtual, open urban model, which can realize urban management and decision support."
“数字城市”是一个能够实现城市综合管理与决策支持的、虚拟的、具有开放性的城市模型。
Digital City "is a virtual, open urban model, which can realize urban management and decision support."
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