It simply assigns you a number based on your height and your weight, leaving out such trivialities as lean muscle mass, body fat, basal metabolic rate, and other medical parameters.
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- 它让你简单地填写你的身高,体重,避开了那些繁琐的肌肉组织,体脂肪,基本新陈代谢率,以及其它医疗参数的测量。