alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:* w4 Q. x0 q, N
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報紙出錯o者....2 V0 Y: Z+ c, U# A" U
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如果真係咁，起碼成個月先番到機場
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8 X0 t- i  k4 O% Z3 v$ v[ Last edited by 小小康 on 2007-9-2 at 12:17 AM ]

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- i% M; f; {8 q可能係3m/s吧............

alienck

Originally posted by alienck at 2007-9-2 12:32 AM:
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另外  {6 [9 y! s9 t0 v5 r1 `3 N
1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft
' D/ l- h8 J$ _3 c+ W1 international mile = 1 mi = 5280 ft
# e3 O+ O& ]/ t! L; x1 ft = 0.3048 m; V' g* _, N) Y# m- ^6 o9 y1 h$ s
所以 1mi = 1.6km1 F; }* I& T( z+ o
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ref: NIST