[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

测量指标数量与实用性存在权衡:宣称测20+项的秤,很多指标(如蛋白质、身体年龄)是由体脂率、水分等基础值算法推导的衍生数据,并非独立测量,指标越多不代表越准,核心看体脂率与骨骼肌重复性

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