[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

超声波测量式身高仪的实际误差通常在±0.5cm以内,而红外光测量误差可达±1cm,追求准确记录成长曲线优先选超声波方案;仅需家庭趣味记录,普通刻度贴(误差取决于读数)已足够

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