Unverified92% confidenceDecision RuleTime unknown

认准国AA级照度标准（中心区域照度≥500lx，且照度均匀性达标），是护眼台灯的硬性门槛，AA级比A级照度和均匀性要求更高，适合长时间读写

1

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92%

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Long-term

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护眼台灯category

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Unverified护眼台灯优先选择通过国AA级照度认证的产品，AA级中心照度≥500lx且半径50cm内≥250lx，比国A级更适合长时间读写作业89% similar Unverified国AA级照度是照度国标最高等级，读写作业面台灯优先选国AA级；国A级中心照度≥250lx、半径0.5m处≥140lx，国AA级中心照度≥500lx、半径0.5m处≥300lx，做作业选国AA级更护眼88% similar

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