基于分布式交互仿真的视景仿真系统，对仿真结点的图形和网络处理能力提出较高的要求，需要在建模和算法上进行优化。
The visual simulation based on DIS raises a high demand on the graphics and the net processing ability of the simulation nodes, thus optimization in the modeling and choice of algorithms are required.
基于利用虚拟现实仿真技术，针对列车运行的视景模拟和列车事故的再现仿真，提出了完整的视景建模方法。
Based on use of virtual reality simulation technology for visual simulation of train operation and train accident reconstruction simulation, we made a complete visual modeling.
通过三维建模、虚拟场景配置、虚拟场景实时驱动三个步骤对视景系统进行实现，开发出一套适用于多机空战战法训练的飞行视景仿真系统。
According to the whole design, a flight training scene system is developed through three steps: three-dimensional modeling, virtual scene configuration and virtual scene real-time drive.
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