The quantitative token of the residual age index of DDT in soils was primarily discussed, and the normalized residual time index (NRTI) of DDT was designed as one of the methods.

初步探讨了土壤中DDT残留时间的定量表征，设计出归一化的DDT残留时间指数(NRTI)作为定量表征土壤ddt残留时间的方法之一。

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Your pediatrician can tell you your child's body mass index - a formula that considers height, weight, age and gender - at the annual checkup.

儿科医生可以在年度检查的时候告诉你孩子的体重指数——通过一个考虑到身高、体重、年龄和性别的计算公式。

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The researchers found that those children who had less sleep in their earlier years were at greater risk of having a higher Body Mass Index at age seven.

研究人员发现早年睡眠较少的那些七岁的孩子有较高的‘身体质量指数’的风险。

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America should index the retirement age to longevity and make the benefit formula for upper-income workers less generous.

ECONOMIST: America's budget deficit

They found the age range for heart attacks in men where the index finger was relatively long was 35 to 80 years of age, but in those with relatively long ring fingers it was 58 to 80.

BBC: Finger length heart attack clue

The index takes into account many different types of diversity including gender, age, ethnicity, disability, country of birth, skills and education, number of hours worked, language, and sectoral and geographical distribution.

FORBES: Top 5 Industry Sectors In Workforce Diversity