/(0.00) =数据太大了,超出范围
/(0.07) =14.2857142857143
/(0.14) =7.14285714285714
/(0.21) =4.76190476190476
/(0.28) =3.57142857142857
/(0.35) =2.85714285714286
/(0.42) =2.38095238095238
/(0.49) =2.04081632653061
/(0.56) =1.78571428571429
/(0.63) =1.58730158730159