等级指数 meaning in English
class index
Examples
- Prizm potential rating index for zip markets
按邮政区划为基础的潜力等级指数 - During flood years , the center of negative anomaly is around ural mountains , the center of positive anomaly is around high - latitude of east asia and another negative and positive center are over okhotsk sea and the north - west pacific , respectively
通过对夏季旱涝等级指数的morlet型和mexicanhat型小波变换分析，发现山东夏季旱涝指数主要存在着2 5年和7年左右的周期振荡。