    
             

                             


                   
                    



    
           2011   2   17                                                                                         21                       
                                                                                                                                                                                                                                                                                                  QQ                                                                    6                                                                                                                                                                               
                                                                                                                                       1997                                                                                                                                                                                                                                                                                                                                                                                                                2009                                               
                                                                                                                                                     10  10                                                                                                                    300                                                                                                               
                                                                                                                                                                                                                     
                                                                                                                                                               3    6                                                                                                                                                                                                          5   1                                 1000                                                              
                                                                      
                                              5   1                                                                                                                                                                             5000                                              5   1     180       5   15                                                                                         
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      11                                                                                                                                                                                                                                                                                                                                                                                                      
       
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