alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:; x1 K( Q6 I0 r

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報紙出錯o者..../ }' \' s+ s! q
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如果真係咁，起碼成個月先番到機場
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7 L0 [/ _$ {* N8 K- |[ 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:7 f/ r: D) U  i% K
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& y- D) e3 i: O) z' [可能係3m/s吧............

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" O5 x8 [/ l. R3 K' [" |另外" `- v  b6 `( y* p4 ^1 t4 x" Y0 ?
1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft" ]- Q4 |7 m9 c1 z3 f! U
1 international mile = 1 mi = 5280 ft
0 f( H4 }& X7 I- b1 ft = 0.3048 m5 ]2 k% N* g7 E5 x
所以 1mi = 1.6km
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; Z* Q; ?/ K3 e% |, j6 jref: NIST