fung

Originally posted by milk~~ at 2006-5-8 10:38 PM:
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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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; Z  `4 z, m3 d; P! V) J$ O6 w咁我諗要睇你點define上同落+ s$ o8 _( }7 x
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好似好廢...  c  o1 H8 r( z' _
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即係話如果你設由north -> south為落! [- G1 B3 j& h) h$ i
由core去到south, 對north而言依然叫落
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8 c8 s$ q. @- e/ @/ v反而有樣野你要bear in mind ge係
9 k# f8 C0 q% W% u) R; F5 c) s' y由core出發, 要input energy