在对军用飞机维修保障过程分析的基础上，运用离散事件建模方法和计算机建模与仿真技术建立了飞机维修保障仿真模型。

An aviation maintenance model is established by using the discrete event modeling method and computer modeling and simulation technique after analyzing the military airplane maintenance process.

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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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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.

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