fung

Originally posted by milk~~ at 2006-5-8 10:38 PM:; d, o/ {( [; G

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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:
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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9 _+ S. S3 O  v0 ~& z

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即係話如果你設由north -> south為落! {; |% o0 \4 M9 g" q+ y" S( i
由core去到south, 對north而言依然叫落/ h* J* D3 W- [+ A4 _  O
vice versa1 F5 R3 l) f# W; f' V- n
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反而有樣野你要bear in mind ge係
- a- V3 T; W6 G$ e' l" E' T; p  n由core出發, 要input energy