       
                   
                                                            

                             
             2013   5   16                                                                         
                                                                                                                     
                              
                                                                                                                                                                              
                             
                                        6.3    505                                       
          33                      
                 7 50                                                                                                                                                                                                                                                                                                          
                                
         8  40      2                    20 .        
    ⒈                
      ⒉                                 
                                                                                                                                             
                
                 
              
              
               
                           
                             
           40                                                                                                           2008                                                                                          
                             
            10  50  5.1                      ⒚                                                                                                                                                                                                                                                                                                                                    
                             
                       
               
          
         
                 
                 
                 
                      
               
               
               
               
               
               
               
               
                        
                  
                 
                 
                  
                 
                 
                 
             
                   
                                                   
                   
        10  50  11  30                              
                                                 2008      9                                                 
                      3                                                                       
        


                              2013   5   20   