fung

Originally posted by milk~~ at 2006-5-8 10:38 PM:: L; E! r- _0 O: k1 Z
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simple harmonic motion

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仲要with damping

fung

Originally posted by gaye at 2006-5-8 11:35 PM:" Y! t: `0 W: w* j; ^) S

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但假如我唔係 North Pole jump 落...

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咁我諗要睇你點define上同落. ^( J7 p" T8 ]
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好似好廢...7 J( s( A% F9 Z5 C) Q
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% r7 w; }1 n- `! c' C即係話如果你設由north -> south為落3 x9 R, k* Y; [* ^! o
由core去到south, 對north而言依然叫落9 X1 n7 D( m' C# K" p
vice versa
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2 n% f1 G3 I+ z) l/ P  c5 y反而有樣野你要bear in mind ge係1 m, E. B  L6 |, Q$ [- ?& k2 h+ I
由core出發, 要input energy