interface

su 的源代码库

           0.0    0.   
          10.0    0.	
             1    -99999
            0.0      2.500
           10.0      2.50
              1      -99999  
            -2.0    4.50
	10.0   4.50
        1      -99999  
            -2.0    7.0
           10.0     7.0
        1      -99999