地形景观模型的三维可视化技术是时空一体化地理信息系统与虚拟现实中的关键技术。
The technique of 3d visualization of terrain sight model is an important technique of spatial-temporal GIS and VR.
将三维可视地理信息系统应用于电厂的设计与管理中，有利于提高电厂设备及其信息的可视化程度和管理的智能化水平。
Application of 3d visualization GIS in power plant design and management may improve the visibility of power plant equipment and its attribute information and the intelligent level of management.
地理信息三维可视化系统的研究是地理信息系统研究中的热点，也是许多应用领域对地理信息系统的基本要求。
The research on 3d visualization system of geographic information is a hotspot in the research of GIS and it is the basic requirement in many application fields.
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