alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:
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報紙出錯o者....
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8 o( s; J! _- j& O* y7 ?如果真係咁，起碼成個月先番到機場1 @' F" V* ], d0 }4 U/ J* M3 x* `

' j7 i9 Z) s- D7 }& H[ Last edited by 小小康 on 2007-9-2 at 12:17 AM ]

+ m! p2 S$ a0 }6 x* _; ?5 t  B' Q( u9 E
可能係3m/s吧............

alienck

Originally posted by alienck at 2007-9-2 12:32 AM:/ L) t, t) Z$ L2 y

$ X, w4 i; D0 m% \+ A2 w( K; n' ~4 H- t0 l9 g1 x0 s4 k
可能係3m/s吧............

$ D% a# _9 h% _+ G# x1 U/ T( [: h; H( o
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另外
$ P# w2 X' H, O0 A1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft
( ]8 W. ?# j- ^+ E, |, E$ i$ ]1 international mile = 1 mi = 5280 ft
- C$ U- m2 u' Z5 z# h+ q0 j2 s1 ft = 0.3048 m! Z# G# u9 J% R4 B/ I, i5 `
所以 1mi = 1.6km4 I# K5 g# Y; M" b6 K9 e
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ref: NIST