[KongchangAI]
Unverified90% confidenceFactTime unknown

国AA级照明标准要求中心区域照度≥500lux、直径30cm半圆内均匀度≥0.7、直径50cm内≥0.5,是读写台灯照度均匀性的最高等级

1
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90%
Confidence
Long-term
Relevance
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