Normal body fat for young, fit people is less than 18% of total body weight for men and 23% for women.
年轻人的正常身体脂肪，健康男人少于身体总重量的18%，妇女少于23%。
A new device for measuring human body total fat mass by bioelectrical impedance is described.
本文介绍一种利用人体阻抗来测量人体脂肪总量的新仪器。
This is the percentage of your total body weight that is composed of fat.
也就是你的体重有百分之多少是由脂肪组成的。
This is the percentage of your total body weight that is composed of fat.
也就是你的体重有百分之多少是由脂肪组成的。
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