记录指标的表:
id  类别       范围        开始值       结束值
1   指标1      <1.0           0           0.99                                   
2   指标1     1.0-1.29         1.0         1.29
3   指标1     1.3-1.59         1.3          1.59
4   指标1     1.6-1.99         1.6          1.99
5   指标1       >=2            2            20
6   指标2       <10            0            9                                   
7   指标2     10-30            10           30
8   指标2     31-50            31           50
9   指标2     >=50             50           4000这个是这样的