[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

超声波身高测量仪存在±0.5-1cm误差,且易受衣物、头发蓬松度干扰;对成长曲线记录敏感的家庭应选机械式立柱测量仪(精度±1mm)而非电子超声款

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