三维地形场景实时绘制在虚拟现实、地理信息系统、仿真系统等领域中占有十分重要的地位。
The rendering of 3D terrain scene is playing a key role in many research fields such as virtual reality, geographic information system and simulation system, etc.
建立合理的三维地形模型，对于实现实时绘制虚拟地形场景，逼真模拟地形环境，实现虚拟地形环境中的分析功能及其它相关控制有着重要的意义。
It is significant to construct a suitable terrain model for real-time rendering terrain scene, simulating terrain environment in reality and achieving analysis functionality in VTE.
洪水演进仿真环境的绘制包括三维地形建模和地形地貌实时绘制，源发型洪水演进动态仿真技术的关键是流域河道边界自搜索模型的建立。
The key technology of the dynamic simulate of the original flood evolvement is the design of the self-control search model of the boundary of the watercourses drainage area.
三维表现系统，是建立在计算机图形绘制技术的基础上，对地球表面的海量地形和城市中的大规模建筑群进行实时绘制的系统。
A 3D rendering system is such a system that draws the massive terrain and cities on the earth based on computer graphic technology.
三维地形可视化仿真技术是虚拟现实的重要手段之一，主要研究真实感三维地形建模和三维地形可视化的实时绘制。
Visual 3D terrain simulation technology is an important means of virtual reality, which deals with realistic 3D terrain modeling and 3D terrain visualization real-time drawing mainly.
三维地形可视化仿真技术是虚拟现实的重要手段之一，主要研究真实感三维地形建模和三维地形可视化的实时绘制。
Visual 3D terrain simulation technology is an important means of virtual reality, which deals with realistic 3D terrain modeling and 3D terrain visualization real-time drawing mainly.
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