alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:
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報紙出錯o者....2 `. T, s( f; A) _( g6 a
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如果真係咁，起碼成個月先番到機場) ?, \, k* a, o  g& L3 V7 B

* C- A; O0 q9 ?3 Y[ Last edited by 小小康 on 2007-9-2 at 12:17 AM ]

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可能係3m/s吧............

alienck

Originally posted by alienck at 2007-9-2 12:32 AM:
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+ p* r( T2 f2 U  A8 F可能係3m/s吧............

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另外3 A5 Z( N& ^! c& E+ ]( U
1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft
$ W' }7 J* D. X' T/ }  @1 international mile = 1 mi = 5280 ft! W2 e+ N, N( _
1 ft = 0.3048 m9 }7 ]# m0 G6 }) V7 y( K3 v
所以 1mi = 1.6km5 ]2 a# Y0 x" r' E# Q. ^
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ref: NIST