送交者: HunHunSheng 于 2005-6-16, 16:41:08:

回答: 上次问了个时间旅行是否和质能守恒定律矛盾的问题， 由 蓝隼 于 2005-6-16, 15:30:04:

A plane can rotate around its fromt-end axis anyway

• Hunhun has the right answer - AI (115 bytes) 2005-6-16, 17:02:00
  • I used to fly planes a lot - HunHunSheng (0 bytes) 2005-6-16, 17:04:56
    • I thought you were scared of flying. - Enlighten (0 bytes) 2005-6-16, 17:07:39
      • Now is now and then is then - HunHunSheng (117 bytes) 2005-6-16, 17:11:18

加跟贴