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没记错的话，好像是自NP提出以来几大还没定性的问题之一吧....

Posted by richardxx at 2008-01-07 11:50:36
In Reply To:这个还是有可能的，这个问题未必非常非常难 Posted by:RoBa at 2008-01-07 11:47:50 
rt
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