肥胖是根据身体质量指数，用身高和体重计算出来的结果。

Obesity is based on the body mass index, a calculation using height and weight.

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体重指数是一项将个人的身高和体重计算在内的测量指标。

BMI is a measurement that takes into account a person's height and weight.

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他们同时还发现，正如其他研究人员已经发现的那样，较高的体重指数(BMI)——一项根据身高和体重计算出的指标，同样也跟早熟有联系。

They also found, as other researchers have, that higher body-mass index (BMI), a calculation based on height and weight, was also linked with earlier puberty.

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