alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:" J, m( ]6 M3 k% a- T

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報紙出錯o者....& h  c, M% Q3 n6 L1 p) @
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如果真係咁，起碼成個月先番到機場
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[ Last edited by 小小康 on 2007-9-2 at 12:17 AM ]

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4 m* R. G) _/ D  R$ L9 Z可能係3m/s吧............

alienck

Originally posted by alienck at 2007-9-2 12:32 AM:
  [3 K% @: F6 @0 Y* J0 p
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可能係3m/s吧............

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另外
  t  h, i6 l" x  I1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft" V; L& N4 ~) o$ V- F% ?9 L. h
1 international mile = 1 mi = 5280 ft4 f% B. u$ D0 {8 ^. O  t7 Z
1 ft = 0.3048 m0 z, G  E4 l' G* E& B
所以 1mi = 1.6km0 n& m* o4 O1 X/ o" B( h6 q3 A

. {. Y! x; K! i% X/ G% {3 S8 |" Cref: NIST