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 Unfortunately, its simplicity is also its weakness since it is frequently too simple to represent realistic problems. 
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 什么都有过去的时候。。。。 
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 什么都有过去的时候。。。。 
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 (*)&(*) 
有一次做梦梦见我在考试,吓的我心惊肉跳,醒过来发现自己果然在考试  | 
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 精榜提名时,洞房花猪夜~~~! 
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发表于 2007-8-13 06:24
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