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1·The picture is a sign for an unmanned level crossing.

图中是无人看守铁路道口标志。

2·The dog is walking down the street, when he comes to a level crossing.

狗狗沿着街道走到了一个十字路口。

3·When one red light at a level crossing is on, the vehicles may pass if it is safe to do so.

道路与铁路平面交叉道口有一个红灯亮时，车辆在确保安全的情况下可以通行。

4·And a intelligent level crossing signal and video monitoring system were introduced in details.

较详细地介绍了一种智能化道口信号及图像监录系统。

5·Level crossing accidents menace people's lives and properties and country's transportation lifeline.

道口事故的频发，直接威胁到人民的生命财产安全和国家的经济运输命脉。

6·The article analyzed the problems in China railways' level crossing signal and explored their solutions.

分析了我国铁路既有道口信号存在的若干问题，探讨了解决途径。

7·When passing an unmanned level crossing, the driver may speed up and pass if he sees no train is coming.

通过无人看守的铁路道口时，没有看到火车到来可以加速通过。

8·The simple calculation model of making collision analysis between train and bus at level crossing is given.

建立了列车与汽车在道口发生相撞事故时进行碰撞分析的简化计算模型；

9·The dog is walking down the street, when it comes to a level crossing, the dog puts down the bag, jumps up and presses the button.

当它到达一个平交道的时候牵转具正在沿街道向下步行，牵转具放下袋，跳越在而且上面按按钮。

10·Article 27 warning lights, warning signs or protective safety facilities shall be put up at the level crossing of railroads and roads.

第二十七条铁路与道路平面交叉的道口，应当设置警示灯、警示标志或者安全防护设施。

道口

1·And a intelligent level crossing signal and video monitoring system were introduced in details.

较详细地介绍了一种智能化道口信号及图像监录系统。

2·Level crossing accidents menace people's lives and properties and country's transportation lifeline.

道口事故的频发，直接威胁到人民的生命财产安全和国家的经济运输命脉。

3·The picture is a sign for an unmanned level crossing.

图中是无人看守铁路道口标志。