The car had apparently hit a traffic sign before skidding out of control.
汽车显然在失控滑出前猛地撞到了一个交通指示牌。
You might tell me what the sign means. I don't know much of your traffic control devices.
这个标志是什么意思，你应该告诉我。我不大了解你们的交通标志。
Therefore this method can be used effectively in lineal control traffic sign control and improve control efficiency of crossroad.
因此，该方法可以有效地应用在城市交通线形控制中，提高线路的通行能力。
Therefore this method can be used effectively in crossroad traffic sign control, improve control efficiency of crossroad.
因此，该方法可以有效地应用在交叉口信号控制器中，提高交叉口控制效率。
Thesis to transportation control the system carry on analysis research, core is to traffic sign light control the system carry on research.
论文对交通控制系统进行分析研究，核心是对交通信号灯控制系统进行研究。
Thesis to transportation control the system carry on analysis research, core is to traffic sign light control the system carry on research.
论文对交通控制系统进行分析研究，核心是对交通信号灯控制系统进行研究。
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