The car will be guided by a differential GPS system that corrects errors arising in global positioning satellite signals as they travel through the ionosphere and troposphere.

这款车将遵循差分式全球定位系统以纠正它在电离层和对流层行驶中全球定位卫星信号引起的误差。

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"I am talking to a couple of car companies about being the voice of their GPS system," he said.

他说，“我正和几家汽车公司商谈为他们的GPS系统录音。”

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Owing to the problem exists in the supporting pole number testing system of the Catenary Inspection Car, an improved method based on GPS is proposed.

本文针对目前普遍采用的接触网检测车杆位测试系统存在的问题，提出了一种基于GPS的改进方案。

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Concocting an "in-car gaming system" that utilizes a GPS receiver, handheld computer, headphones, and a laptop in the trunk of the whip, the Backseat Playground would eventually turn real world "sights, attractions, and locations" into in-game characters and events for the lucky passenger(s).

ENGADGET: Backseat Playground to integrate GPS into in-car gaming

Its report suggested every car should be fitted with a Global Positioning System (GPS), which measures its distance from three or more satellites, and using triangulation, can pinpoint the position of a car within five or 10 metres.

BBC: Tracking the future of driving

According to a story in the Boston Globe, the victim told police he left his cell phone in the car, which could be tracked, and he also told police that his car could also be tracked using the Mercedes-Benz GPS system.

FORBES: Luxury-Car Tech Helped Catch Boston Bombing Suspects; Your Chevy Probably Has It, Too