In this paper, simplified bounding volume boxes and terrain match algorithm are put forward to solve the problems.

提出了碰撞检测的简化包围盒算法及地形匹配算法，分别解决这两种碰撞问题。

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Taking simulating the tank-drive training for example, terrain division, loading and pretreatment of terrain data, collision test and the algorithm of terrain match was discussed.

并以模拟坦克驾驶训练为例，论述了地形划分，分块地形数据的装入和预处理，碰撞检测，地形匹配及其算法。

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Terrain match algorithm is one of the key technologies in seabed terrain aided navigation system (STAN).

地形匹配算法是海底地形辅助导航系统的关键技术之一。

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