This system works more reliably than single GPS positioning system does.

此系统较单一gps定位系统性能更加可靠。

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Underwater GPS positioning system includes four parts which are GPS differential reference station, GPS buoy subsystem, underwater pinger, ship-based data processing and control center.

差分gps水下立体定位系统包括GPS差分基准站、GPS浮标、水下收发机、船基控制中心四部分。

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With the wide application of GPS locating, we need thoroughly research GPS positioning system, and do our best to make contribution to the positioning and navigation industry of our country.

目前，国内大多数GPS接收机都是在国外定位模块的基础上进行二次开发，但是随着GPS定位广泛的应用，要求我们全面透彻地研究GPS定位系统，为我国的定位导航应用作出贡献。

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Maps and GPS (global positioning system) navigation in cars are very popular, and all of those maps came from one of just two mapmaking companies.

NPR: Map-Making Firms Rumored to Sell for Billions

While the participants engaged in much discussion there of Iraq, trade and other issues, the most significant result of the meeting may have been an agreement to ensure that Europes Galileo navigation system does not interfere with the frequencies used by Americas Global Positioning Satellite (GPS) system .

CENTERFORSECURITYPOLICY: Watch this space

He gave the example of the birth and evolution of the Global Positioning System (GPS).

FORBES: Creating a Culture of Innovation at the World Bank