                       
            
                                                                
                12                
                                                                                                
                                          2010                 73                                                             1978 1980                                                                 
                                                                                                                      42                                                                                         
                                                                                                78 12                                    
        
                                                                                                                                      
             
                  
                  
                 

               
                     
                 
                 
                          
                
                    2010 12 17  



                          