showing off your ability to BS? You don't have to, everyone
所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl
送交者: steven 于 2005-5-05, 13:24:12:
回答: 不是同一惯性参照系下的力不能比较. 由 fagus 于 2005-5-05, 05:47:01:
knows it quite well.
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