alienck

Originally posted by 小小康 at 2007-9-2 12:15 AM:+ \4 |, S0 \5 F
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報紙出錯o者....
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9 k2 w) R! e6 p% v+ @2 a4 \如果真係咁，起碼成個月先番到機場
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: v4 |2 B4 \- q( C[ Last edited by 小小康 on 2007-9-2 at 12:17 AM ]

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* L4 Y3 X) p- p8 K8 q0 H4 G) ?2 S1 q可能係3m/s吧............

alienck

Originally posted by alienck at 2007-9-2 12:32 AM:
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, n  O% K5 p% J; \# a$ X9 R可能係3m/s吧............

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另外: ~6 m9 \" Z2 h
1 U.S. survey mile (also called "statute mile") = 1 mi = 5280 ft
3 v! j. [6 u+ h0 J5 G1 international mile = 1 mi = 5280 ft$ o/ k( v5 c8 F# M. O3 H+ }( j( i
1 ft = 0.3048 m
8 T) P. _8 j" E5 Y5 K( g所以 1mi = 1.6km
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) ^7 ?4 D+ d& |) Q- `& \3 ^ref: NIST