alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:  k* o* }6 P2 ?% Z' B$ C5 ]% `, w4 T2 u
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) k  @# G0 r+ k7 }報紙出錯o者....9 q. [$ X. [# M6 v, W$ @  `9 J
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如果真係咁，起碼成個月先番到機場7 N, s, Q9 F! `) O
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[ Last edited by 小小康 on 2007-9-2 at 12:17 AM ]

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) C# ~, Z& {* e$ N可能係3m/s吧............

alienck

Originally posted by alienck at 2007-9-2 12:32 AM:  K0 I$ q4 D& t& x* n' l

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% }% k/ n% ]! c* x3 T) `可能係3m/s吧............

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另外6 [8 I9 W! j% J; J
1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft: S) f4 \! K9 n$ l) s5 F& u8 e
1 international mile = 1 mi = 5280 ft9 i+ t$ f3 L% U# w; r
1 ft = 0.3048 m
0 O3 ^# w0 E5 q4 z3 s& ?. P  w% G5 x所以 1mi = 1.6km
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ref: NIST