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2nd-Generation GPS on the Way

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发表于 5-23-2010 09:14:20 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
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WJ Hennigan, GPS is getting an $8-billion upgrade; Improvements, including
the replacement of satellites, aim to make the system more reliable, more
widespread and much more accurate. Los Angeles Times, May 23, 2010.
http://www.latimes.com/business/la-fi-gps-20100523,0,3054578.story

Note:
(1) El Segundo, California
http://en.wikipedia.org/wiki/El_Segundo,_California
(a city in Los Angeles County, California on the Santa Monica Bay;
incorporated in 1917; population 16,033 at the 2000 census; The city earned
its name because it was the site of the second ("el segundo" in Spanish)
Standard Oil refinery on the West Coast, which is now known as the Chevron
Refinery)
(2) Torrance, California
http://en.wikipedia.org/wiki/Torrance,_California
(also a city in Los Angeles County)

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