Athouth the air is thiner, the gravity is weaker too.
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: whoami 于 2005-5-23, 15:46:40:
回答: 请教一下,物理学的不行, 由 coubert 于 2005-5-23, 15:12:40:
所有跟贴:
加跟贴
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