alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:
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報紙出錯o者....+ [) }3 R' o: H2 d2 W
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如果真係咁，起碼成個月先番到機場
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[ Last edited by 小小康 on 2007-9-2 at 12:17 AM ]

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$ w3 [3 E& D2 M* N' [可能係3m/s吧............

alienck

Originally posted by alienck at 2007-9-2 12:32 AM:/ T$ k2 N. p$ z$ W

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- [( q( F7 T* c$ k8 }; N% _- r可能係3m/s吧............

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另外9 G6 A+ X8 y+ ]1 K4 d
1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft
! L/ F: C( L  Z2 S* m; G1 ~" T) }1 international mile = 1 mi = 5280 ft0 `, s5 v6 \9 L/ D" b" ?+ ~' c
1 ft = 0.3048 m" K1 w5 ]! `1 r- L) s. V8 g+ w
所以 1mi = 1.6km) Y5 e0 [3 q5 D: N2 g

6 t2 ^5 z) w9 {3 Y) W& e! C; ~$ [ref: NIST