fre_1.dat

这个程序

10,1
" 4.5"," 5.5"," .3"
" 5.5"," 6.5"," .4"
" 6.5"," 7.5"," .5"
" 7.5"," 8.5"," .9"
" 8.5"," 9.5"," .9"
" 9.5"," 10.5"," 1"
" 10.5"," 11.5"," 1"
" 11.5"," 12.5"," 1"
" 12.5"," 13.5"," 1"
" 13.5"," 14.5"," 1"
" 14.5"," 15.5"," 1"
" 15.5"," 16.5"," .7"
" 16.5"," 17.5"," .4"
" 17.5"," 18.5"," .4"
" 18.5"," 19.5"," .2"
" 19.5"," 20.5"," .1"