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第三种是利用第三方地图引擎的实现方案，将第三方提供的地图引擎和本车辆监控系统协同工作，共同完成车辆定位、描绘轨迹等功能。
It can accomplish the location of vehicles and the depiction of track by co-operating with the map engine which is provided by the third party and vehicles Monitoring System.
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