Magnetic storms also heat the upper atmosphere, changing its density and composition and disrupting radio communications and GPS units.

磁暴还会对高层大气存在加热作用，改变其密度计组成，中断无线电通信与GPS装置。

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This series of articles on developing a GPS-aware application shows you how to build a global positioning system (GPS) -aware application using the N810 and its built-in GPS receiver.

本系列讲解如何使用N810和它内置的GPS接收器构建感知GPS(全球定位系统)的应用程序。

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As the target drives around, the tracking device triangulates its position from three or four GPS satellites, and digitally transmits its coordinates continuously by radio.

当汽车在开行当中时，跟踪设备用三个或四个GPS卫星以三角形定位，然后持续地通过无线电数字传输目标所在的坐标位置。

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And even with a functioning GPS, its satellites rely on celestial reference points as a final fundamental reference.

FORBES: Move up http://i.forbesimg.com t Move down

The Drift was a groundbreaking device for Helio -- its first to be sourced from Samsung, its first to integrate GPS, and its first slider that didn't look like death -- so we'd be kidding ourselves if we didn't say we were getting just a little emotional over the news that it's been pulled from Helio's site.

ENGADGET: The Helio Drift is dead, long live the Mysto? Mobile

Zambrano says Cemex plans to extend the GPS system to its ready-mix operations in large cities around the world.

FORBES: Cement meets the cyberworld