c**i 发帖数: 6973 | 1 【 以下文字转载自 Hardware 讨论区 】
发信人: choi (choi), 信区: Hardware
标 题: 2nd-Generation GPS on the Way
发信站: BBS 未名空间站 (Sun May 23 13:12:48 2010, 美东)
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,_Cali |
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