gaye

Originally posted by fung at 2006-5-8 11:22 PM:
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8 p* m3 f' J0 J; [0 [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 ? & D) k+ ^0 b- @" o4 \+ O. I/ b

1 a0 H/ R: E( N0 D( a5 t+ s[ Last edited by gaye on 2006-5-8 at 11:36 PM ]

gaye

Originally posted by fung at 2006-5-9 12:03 AM:
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咁我諗要睇你點define上同落1 T: z8 B0 I+ u7 X; s9 L
...

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  E* {+ a' g4 N4 A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)