alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:
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報紙出錯o者....6 t6 K5 M3 O: x5 e5 t

6 @% h( o+ v2 o9 u如果真係咁，起碼成個月先番到機場6 |# E0 n' j. L$ W% a% U
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[ Last edited by 小小康 on 2007-9-2 at 12:17 AM ]

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' h2 r' ~% X" n4 f$ C可能係3m/s吧............

alienck

Originally posted by alienck at 2007-9-2 12:32 AM:8 m* f8 H* b/ H' c5 {8 D0 T
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  n' v$ n/ l6 v可能係3m/s吧............

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, B3 l8 p9 k! K& V/ O' Y6 A另外
6 E+ c; }' C- ^+ v# ]1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft4 f6 x8 ^. X% Y1 J- P4 b
1 international mile = 1 mi = 5280 ft" i; y* `! H3 e: i4 u) i  O
1 ft = 0.3048 m/ T5 r$ F( H+ c% c
所以 1mi = 1.6km
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ref: NIST