quality index number

• 质量指数

quality index number的用法和样例：

例句

1. Obesity is based on the body mass index, a calculation using height and weight.
   肥胖是根据身体质量指数，一个用身高和体重计算的结果。
2. The public can view the Regional Air Quality Index for each monitoring station through the Internet.
   公众可在网上检视每个监测站的区域空气质量指数。