送交者: steven 于 2007-03-12, 01:29:43:

回答: They had planes since 1913, but GPS is a recent invention. 由 唐好色 于 2007-03-11, 11:21:54:

• Trans-Atlantic/Pacific passenger flights date back decades before GPS - 唐好色 (44 bytes) 2007-03-12, 05:40:00 (129372)
  • passenger flights have navigation system. Even today, - steven (398 bytes) 2007-03-12, 10:00:12 (129404)
    • My guess is that the problem is related to GPS; - 唐好色 (370 bytes) 2007-03-12, 23:56:13 (129519)

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