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This is the best article I have ever seen on this topic. Thanks. Worth reading twice

guest (wh)
(#24579@0)
2001-2-5 -04:00
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Back To Topic: 好文章啊,是北大的物理系毕业在美国的留学生写的,不知道你看了没有?先别放弃,看完再说

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