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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) v9 q' p; R. t2 [如果真係咁，起碼成個月先番到機場( L* u0 S3 v% n$ y) [
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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:
# `6 ^6 q: f$ u) M. D2 j  f. v, y7 `+ [  J/ l2 J+ z' I
8 ~1 ?4 [7 F, q$ F
可能係3m/s吧............

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! Z& {# r( d$ K7 A1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft
( O* F! B" A0 ?  a% b9 }1 international mile = 1 mi = 5280 ft
* G5 u; X9 `, ^1 F1 e) n* X* t' {1 ft = 0.3048 m! f$ S7 O; e$ ^3 I! n& f! I
所以 1mi = 1.6km% Q' }6 u1 E- T" m5 q. G
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ref: NIST