[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

医用级卧式量床(如身长测量床/婴儿量板)刻度精度需达1mm,普通家用软尺卷尺精度仅5mm且易受拉伸变形影响,追踪生长曲线时建议选1mm精度

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