Ko标准值7 n的个数39
n=26
n=27
n=28
n=29
n=300.449 n=310.449 n=320.449 n=330.449 n=340.449 n=350.449 n=360.449 n=370.449 n=380.449 n=390.449 n=400.383 n=50
n=60
n=70
n=80
n=90
n=100