Investigators are examining whether the electronic signaling system failed.

调查人员正在检查电子信号系统是否出现故障。

So the signalling system says that there's no boat.

所以信号系统说没有船。

In eastern India, the investigation into Friday night's train disaster found that an error in the signaling system is what led to the crash.

在印度东部，有关周五晚火车事故的调查发现，导致事故的原因是信号系统出错。

In fact, the horn doesn't work  when the aircraft is in flight because the signaling system is turned off.

事实上，当飞机在飞行中时，喇叭是不工作的，因为信号系统是关闭的。

So we had this mystery to kind of understand, you know, signalling system does not show a boat there.

所以我们有了这个谜团来了解，你知道，信号系统没有显示那里有船。

The testing items mainly include track geometry, electric traction power supply, communication and signaling system, passenger and freight service system, noise, vibration, and electromagnetic environment.

检测项目主要包括轨道几何状态、电力牵引供电、通信信号系统、客货动力学、噪声振动与电磁环境等。

So we started using this signalling system to track the historic movements of a ship called the Pawell.

所以我们开始使用这个信号系统来跟踪一艘名为 Pawell 的船的历史运动。

This kind of signalling system called the AIS — boats use this to make sure that their location is constantly known.

这种称为 AIS 的信号系统——船只使用它来确保它们的位置始终为人所知。

This boat sits about a day's travel away from the occupied port in question and it switches off its signalling system suddenly.

这艘船离被占领的港口大约一天的路程，它突然关闭了信号系统。

India's railway minister says the fatal train derailment on Friday was caused by an error in the electronic signaling system that led a train to wrongly change tracks.

印度铁道部长表示，星期五发生的火车脱轨事故是由电子信号系统的错误导致火车错误地改变轨道造成的。

Toronto Ontario was the first city to completely computerize its entire traffic signal systems by 1963. So the next time you see that red glow telling you to stop.

1963 年，安大略省多伦多市成为第一个完成全市交通信号系统电脑化的城市。所以下次当你看到红灯亮起，让你停下时。

Bellevue, a fast-growing city just east of Seattle, uses a system that is gaining popularity around the US: intersection signals that can adjust in real time to traffic conditions.

贝尔维尤是西雅图以东的一个快速发展的城市， 它使用的系统在美国越来越受欢迎：可以根据交通状况实时调整的十字路口信号。

So after a long time of it sort of loitering off the coast of this port of Samsun in northern Turkey, you know, switching its signalling system on and then off and then on again and then off again.

因此，在它在土耳其北部萨姆松港的海岸附近徘徊了很长时间之后，你知道，它的信号系统打开然后关闭，然后再打开然后再关闭。