Unverified85% confidenceDecision RuleTime unknown
直照式阅读落地灯建议照度达到300-500lux（灯下40cm处），单纯氛围落地灯50-150lux即可，混淆两者会导致买错
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Unverified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86% similarUnverified纸质书阅读灯选照度100-300lux即可，照射范围覆盖A4大小；照度过高（＞500lux）在暗环境下反而刺眼疲劳83% similarUnverified读写作业台灯照度需达到中心≥500lux、半径30cm区域≥250lux（A级）或≥300lux（AA级），仅看流明数无意义，要看实际照度值和均匀度83% similarUnverified选购全彩智能灯泡应确认色温范围覆盖2700K-6500K，低于此范围（如仅2700K-4000K）无法实现从暖光到正白光的完整调节，影响阅读/氛围切换体验81% similarUnverified阅读用落地灯需选色温4000K-5000K + 亮度≥800流明，暖光（2700K以下）长时间阅读易疲劳81% similar
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