alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:- X* o/ ~' s8 n& ?, ?
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報紙出錯o者....
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如果真係咁，起碼成個月先番到機場6 f: J6 z) \- ~8 S! J6 L% \, A
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[ Last edited by 小小康 on 2007-9-2 at 12:17 AM ]

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( J! L9 n7 d2 M. q可能係3m/s吧............

alienck

Originally posted by alienck at 2007-9-2 12:32 AM:
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可能係3m/s吧............

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另外
4 ]! o" {+ ^: A( e, q/ b1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft
8 u5 ~5 I& |$ w& [1 international mile = 1 mi = 5280 ft8 J  T( r, G# }9 x4 o
1 ft = 0.3048 m) H+ Q* f4 k$ j- J5 n5 Y- v, j
所以 1mi = 1.6km
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ref: NIST