fung

Originally posted by milk~~ at 2006-5-8 10:38 PM:
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對~~!
* z- I; m2 V% V) X5 Qsimple harmonic motion

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& r" A& J* R, v5 x* u) w# m& Z仲要with damping

fung

Originally posted by gaye at 2006-5-8 11:35 PM:# f8 b" N" @3 j& v* |

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但假如我唔係 North Pole jump 落...

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. F( C3 z4 G# W; S; Z咁我諗要睇你點define上同落
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好似好廢...( }2 g% m7 _: x
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即係話如果你設由north -> south為落
3 N4 q6 ~: ~5 j& D; `! \9 g由core去到south, 對north而言依然叫落+ o% q. Q- s2 `
vice versa, Y9 |& ^* z* L: k6 S
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反而有樣野你要bear in mind ge係- Q, l; N  v8 V) h
由core出發, 要input energy