︽      ︾   


 125     
            
         
          
                   
       
    2     
         
         
                   
      
           
 1   600      
           
         
         
           
         
          
         
           
 95％       200  
           
          
           
            
           
           15
          
20          
       10    
  2.5          2 
          
           
                    
      
           
           
               ︽    ︾