Unverified90% confidenceDecision RuleTime unknown
阅读用途优先选带独立阅读臂或可调灯头的直照式落地灯，照度需达到300lux以上（相当于5W以上LED光源直射桌面），单纯的向上打光落地灯照度通常不足100lux，不适合长时间阅读
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