描述：监视器：公共汽车信息管理系统跟踪城市公交车的位置，计算驾驶距离和时间、发布紧急交通事件信息。
Caption: Monitor: the bus Information Management System tracks the location of city buses, calculates driving distances and times, and addresses traffic emergencies.
描述：监视器：公共汽车信息管理系统跟踪城市公交车的位置，计算驾驶距离和时间、发布紧急交通事件信息。
Caption: Monitor: the bus Information Management System tracks the location of city buses, calculates driving distances and times, and addresses traffic emergencies.
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