Using this system, the model laboratory table of tractor-trailer train can adjust the real-time speed, which is controlled by computer.
利用本系统可以实现汽车列车模型实验台对计算机控制速度的实时调节。
You can use the train or bus without going through the troublesome task of checking the complicated rate table to buy tickets and you won't need to buy another ticket every time you make connections.
可以省去在乘坐电车和巴士时，查看复杂的票价表和买票时间，也无须在每次换乘时重新买票。
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