The global positioning system is very useful during travel.

全球定位系统在旅行中非常有用。

The global positioning system can help you find the right direction.

全球定位系统可以帮助你找到正确的方向。

The global positioning system technology has changed the way we live.

全球定位系统技术已经改变了我们的生活方式。

You can use the global positioning system to track your running route.

你可以使用全球定位系统来追踪你的跑步路线。

But did you know that the Global Positioning System is basically a big clock in space?

但你知道全球定位系统就像是宇宙中的一个巨大的时钟吗？

Satellites of the global positioning system are also hurdling around the Earth at thousands of miles an hour.

全球定位系统的卫星，持续环绕着地球飞行，且速度为每小时数千英里。

The Global Positioning System circuit, several power converters and a set of devices that route commands to various pieces of equipment were switched off.

全球定位系统，几个电力转换器和一系列对大量设备发布指令的装置都被关闭了。