[KongchangAI]
Unverified90% confidenceFactTime unknown

家用体脂秤采用单频生物电阻抗(BIA)技术,体脂率误差通常在±3%~5%,只适合看长期趋势而非单次绝对值;八电极(手足双测)比四电极(仅足底)分段测量更准,能区分四肢与躯干体脂

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90%
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Long-term
Relevance
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