[KongchangAI]
Unverified90% confidenceFactTime unknown

家用体脂秤普遍采用单频/低频生物电阻抗(BIA)单脚电极方案,体脂率误差通常在±3%~±5%,远不如InBody等八电极多频设备准确;因此只应关注体脂率的『变化趋势』而非绝对值

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