大规模的地形渲染算法需要采用细节层次来减少实际需要绘制的地形数据。

Then educes the real time algorithm of dynamic level of detail terrain rendering and gives out its realizing process in detail.

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进而引出了动态多细节水平地形渲染的实时算法，并给出其实现过程及实验结果。

Then educes the real time algorithm of dynamic level of detail terrain rendering and gives out its realizing process in detail.

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重点讨论了三维引擎总体结构框架设计、引擎内部模型数据管理、三维场景渲染、随机地形生成的算法、弹道仿真等技术的应用。

Special attention is given to the design of 3D engine, rendering of 3D scene, the algorithm of generating random fractal terrain, application of trajectory simulation.

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