车辆自主定位和导航系统
Vehicle autonomous positioning and navigation system
以上为机器翻译结果，长、整句建议使用 人工翻译 。
基于ITS的智能车辆定位导航系统可划分为三个层次：自主导航系统、单向通信系统和双向通信系统。
Based ITS Intelligent Vehicle location and navigation system could be divided into three levels: autonomous navigation systems, communications systems and two-way one-way communication system.
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