alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:
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報紙出錯o者....
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如果真係咁，起碼成個月先番到機場6 M5 o- ?3 K. n2 B
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[ 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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可能係3m/s吧............

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另外
# D0 V& |. y% ?- f1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft
2 a7 ^: l& m+ A: W+ c' M: D1 international mile = 1 mi = 5280 ft! {5 j' G! L+ A2 J" q% y6 A1 K
1 ft = 0.3048 m
! e  F7 a2 l7 q. k/ V所以 1mi = 1.6km& O: }. k2 W' c* z9 I! ]* m- _

6 A) i2 h' l' Y4 s* u5 j; `, Href: NIST