Unverified90% confidenceDecision RuleTime unknown

读写作业场景优先选国AA级照度认证台灯，中心照度≥500lux且半径30cm内均匀度达标，普通A级在长时间读写下易疲劳

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智能台灯category

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Unverified读写作业首选国AA级照度认证台灯，其对桌面照度均匀度要求更严（中心区≥500lx、扩展区≥300lx），比仅标注国A级更适合长时间近距离用眼89% similar Unverified阅读用落地灯需满足照度≥500lux（阅读区）+ 显色指数Ra≥90，护眼款优先选无频闪认证（如国AA级），色温4000K左右最适合长时间阅读87% similar Unverified护眼台灯认准国AA级照度标准（中心照度≥500lux且照度均匀度≥0.7），普通国A级仅要求300lux，读写距离下容易导致局部过暗形成明暗对比疲劳85% similar

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