Methods According to body mass index(BMI) and waist to hip circumference(W/H), the subjects were classified into three groups: intra abdominal obesity, subcutaneous obesity and non obesity group.
方法采用人体测量参数体重指数（ BMI）和腰臀围比值（ W/H）将体脂分布不同分为腹内型肥胖组、皮下肥胖组及非肥胖组。
The radius and position of waist spot of CO2 laser beam focused by a single Ge lens were measured experimentally, and the focal length of the Ge lens was determined. The result is in agreement w...
实验测量了经单一锗透镜聚焦后的CO_2激光束的腰斑半径和位置，同时确定了聚焦锗透镜的焦距，其结果与实际情况一致。
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