[KongchangAI]
Unverified85% confidenceFactTime unknown

光疗设备的照度标称需注意测量距离,同一设备10000勒克斯可能在10cm处测得,实际使用坐距40cm处照度会衰减到2000勒克斯以下(照度随距离平方衰减),选购时应看标注的有效使用距离

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