Drivers must be on the alert for traffic signals.

驾驶员必须密切注意交通信号.

《简明英汉词典》

A lot of people disregard traffic signals and rules.

许多人无视于交通号志和规律.

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They are always on the alert for traffic signals.

他们总是很留心交通信号.

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Primarily engaged in specialized production facilities traffic signals.

主要从事专业生产交通信号设施.

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Uniformed road traffic signals are used nationwide.

全国实行统一的道路交通信号.

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Drivers be on the alert for traffic signals.

司机必须注意交通信号.

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Some are in the shape of umbrellas, canes, baseball bats and traffic signals.

有的铅笔被做成雨伞 、 手杖 、 棒球、甚至交通信号灯的样子.

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It is a shame, because they would come in handy since traffic signals are not synchronized.

虽然这种做法的确令人汗颜, 然而在交通信号灯不同步的情况下,这样的做法倒也便利(方便立即提速).

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Simulation result shows that this design can do well in controlling multi - phase traffic signals control.

仿真结果表明,该设计方法可有效控制多相位路口的交通信号.

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To deter motorists from disobeying traffic signals, 39 red - light camera systems at signalised road junctions.

全港已有39部设在交通灯路口的冲红灯摄影机,阻止驾车人士违反交通灯指示.

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