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1. Theterrain-matching system is used tomap the terrain and identify obstacles.
地形匹配系统用于绘制地形并识别障碍物。
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2. Theterrain-matching system was developed toimprove navigation in mountainous areas.
地形匹配系统被开发出来，以改善山区的导航。
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3. The terrain-matching system canhelp us navigate through unfamiliar terrain more efficiently.
地形匹配系统可以帮助我们更有效地在不熟悉的地形中导航。