Originally posted by 筱智 at 2005-10-28 09:14 PM:
那个蚂蚁估计像羽毛一样吧。
Originally posted by neig_xp at 2005-10-28 21:24:
抓只蚂蚁试试就知道了
Originally posted by wayway2000 at 2005-10-28 09:28 PM:
阻力好像是跟速度的平方成正比。。
Originally posted by 托洛茨基 at 2005-10-28 09:09 PM:
看那个蚂蚁多大了
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