gaye

Originally posted by fung at 2006-5-8 11:22 PM:
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但假如我唔係 North Pole jump 落去 , 係慢慢爬落去 , 咁到達地心時 , 再向 South Pole 出發個時, 係爬上去定爬落去 ? 1 @  S6 t& e9 d; x$ \

" N1 |: i, A% M8 E7 z[ Last edited by gaye on 2006-5-8 at 11:36 PM ]

gaye

Originally posted by fung at 2006-5-9 12:03 AM:; A4 _5 H" ?* Z- Y0 a1 ?, d
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. D2 P' X" G; |; P& D# D咁我諗要睇你點define上同落" F; U' z' t5 ]9 p
...

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3 O3 Q* U2 k# u" U4 q+ ?( w* S沒錯 , 上同下係睇點 define , 冇 absolute , 但人在北極向地心出發(向下挖) , 人的感覺必定是向下前進吧 , 但人到了地心 , 再向南極出發的時候 , 人的感覺會是向上 or 向下前進 ? (假設個人冇掉轉到身)