计算机将收到的GPS数据添加到地图上，使得车辆调度员能够跟踪逃车的每一步行动。
Computers superimpose the GPS data over a map that allows dispatchers to track the vehicle's every move.
调度员也可依次进行合理安排车辆的发车时间及间隔时间，并对公交车驾驶员进行考核。
The controller can carry on the departure time and spacing interval of the arrangement vehicle rationally sequentially, and examine the bus driver.
调度员解释说：“太多货车要上高速公路了，这些货车比其它车辆行驶地慢。”
"A lot of trucks get on the expressway there," the controller explained. "They can't speed up as fast as cars."
调度员解释说：“太多货车要上高速公路了，这些货车比其它车辆行驶地慢。”
"A lot of trucks get on the expressway there," the controller explained. "They can't speed up as fast as cars."
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