A.1.0~1.2 B.1.8~2.5 C.2.8~3.0 D.3.8~4.5
A.0.8~1.2 B.1.5~2.5 C.2.0~2.5 D.3.0~3.5
A.0.5~1.0 B.1.5~2.5 C.2.5~3.5 D.大于3.5