年平均污染水平是衡量空气质量的最常用指标之一。
Annual average pollution levels are one of the most commonly used scientific measurements of air quality.
目的研究判断重庆地区女性垂直向不同面部生长型常用指标参考值。
Objective To study the reference value of index commonly used in classifying different vertical facial growth pattern of females in Chongqing.
BMI是鉴别肥胖常用指标之一。BMI是根据体重和身高的数学比来估计身体质量。
BMI is one of the most widely used measurements for obesity. The BMI approximates body mass using a mathematical ratio of weight and height.
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