BMI, or body mass index, is a ratio of weight to height.

身体质量指数，是体重和身高的比例。

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Body fat was assessed in two ways: body mass index (BMI), which is a ratio of weight to height, and body fat percentage.

通过两种方法检测体脂：身高体重指数(BMI)，这是一个体重和身高的比例，以及身体脂肪比。

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Its build (ratio of weight to height) was about the same as the modern human but its head and face were proportionately much larger.

及其建设(重量比身高)为即将在现代人类相同，但其头部和面对更大的比例。

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BMI, the ratio of weight in kilograms to the square of height in metres, is a common, if imperfect, gauge of whether someone is over- or underweight.

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Body Mass Index (BMI) is defined as the ratio of weight (in kg) to height (in meters) squared and is an inexact measure of body fat, though it supposedly establishes cutoff points of normal weight, overweight, and obesity.

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The studies measured the participants' body mass index (BMI), a ratio of their height and weight, but it wasn't able to take into account their body fat composition, or how much of their overall body weight was made up of fat versus muscle.

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