ioi 是電阻式的分析儀,機器測量一定會有誤差,從鏡子來分辨有沒有進步會比機器來的準確,以下文章分享給您參考http://one-minutefitness.blogspot.com/2015/06/BIA.html%3Fm%3D1&ved=0ahUKEwju15WLnNHTAhXLJJQKHU3pARYQFggaMAA&usg=AFQjCNH6j5rRZKQ21jewnj5RlEiLCE7zQA&sig2=ek5S9A0mZYDIlLp-DrfX3g