麻省理工学院开放课件
http://ocw.mit.edu/OcwWeb/index.htm
http://www.core.org.cn/OcwWeb/
posted by Dali @ 10:41 PM
Wednesday, January 10, 2007
http://ocw.mit.edu/OcwWeb/index.htm
http://www.core.org.cn/OcwWeb/
http://ocw.mit.edu/OcwWeb/index.htm
http://www.core.org.cn/OcwWeb/
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