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1·Obviously, the more severe crosscountry terrain results in reduced reliability for the tracked vehicle.

显然在非常严酷的地形上行驶会极大的降低履带车辆的可靠性。

2·The central tyre inflation system (CTIS). Has an important influence on improving crosscountry capability of the wheeled vehicle.

中央轮胎充放气系统又称CTIS系统，它对提高轮式车辆的越野能力有重大影响。

3·To build outdoor environment map, an approach based stochastic density is proposed for obstacle detection on the road and crosscountry.

对于室外道路环境地图构建，首先提出了一个基于统计密度的障碍检测算法，用于道路环境和越野环境下的障碍检测。