It is divided into four major sections: Plate Tectonics, Earthquakes, GPS, and Space Technology at Work.

它被分为四个主要的部分：板块构造学，地震，全球定位系统和起作用的空间技术。

youdao

The work in this paper is aimed at validating the use of a GPS receiver different to orientation sensor in a vehicle guidance system.

把不同于定向传感器的GPS接收器应用在农用联合收获机的车辆导航系统中。

youdao

By this method, leveling and GPS-RTK survey can be carried out at the same time, which can increase work efficiency and reduce job time.

采用本文的方法，可使RTK平面和高程放样与水准测量工作同时进行，有利于提高作业效率，缩短工期。

youdao

She believes that GPs are suffering more pressure at work due to changes to the NHS and budget cuts.

BBC: Stressed doctor - photo posed by model

The number of doctors newly qualified to work as GPs in the NHS is at a 15-year low.

BBC: GP Consultation

It doesn't even need to know what kind of signal it's looking at, and it can get its position in places there's no GPS to work from, whether it's in an urban canyon or the natural kind.

ENGADGET: BAE Systems' NAVSOP does positioning without GPS, makes sure the only jammin' going on is yours