We do have a satellite navigation system.

我们其实有卫星导航系统。

China has sent a new BeiDou navigation satellite into space.

中国向太空发射了一颗新的北斗导航卫星。

It will be the fourth global satellite navigation system after GPS, GLONASS and Galileo.

这将是继GPS（美）、格洛纳斯（俄）和伽利略（欧）之后的第四个全球卫星导航系统。

The measurements rely on a variety of survey data, including those from a global satellite navigation system.

这些测量依赖于多种调查数据，包括来自全球卫星导航系统的数据。

We've been at sea for several days and without our satellite navigation system it's hard to know which way we're going.

我们已经在海上待了好几天，没有卫星导航系统，我们很难知道要前往哪条路。

So instead of using satellite navigation, the Air Force is working on a navigation system that uses the magnetic fields of the Earth.

因此，空军不再使用卫星导航，而是致力于开发一种使用地球磁场的导航系统。

The three-day event will see experts and scholars in satellite navigation and related fields in China and abroad use the platform to exchange ideas.

该大会为期三天，国内外卫星导航及相关领域的专家和学者将利用这个平台进行交流。

The conference is the first significant event on satellite navigation to be hosted by China since the commissioning of the BDS-3 system in July.

这是自今年7月北斗三号系统正式运行以来，中国首次主办卫星导航方面的重大活动。

As one of four global satellite navigation systems recognized by the United Nations, BeiDou is used in civil aviation, maritime affairs, search and rescue, and many other fields.

作为联合国认可的全球四大卫星导航系统之一，北斗应用于民航、海事、搜救等诸多领域。

Another of these applications is SatNav – satellite navigation using GPS (Global Positioning System) – with mapping to see where you are and to navigate – plan and follow routes.

另一个应用程序是 SatNav——使用 GPS（全球定位系统）的卫星导航——通过地图查看您所在的位置并进行导航——规划和遵循路线。