Unverified50% confidenceDecision RuleTime unknown
标注亮度务必看ANSI流明而非'光源流明'或'流明'，光源流明÷ANSI约等于系数8-10，即标称3000流明的设备真实亮度可能仅300ANSI，纯白天使用需≥2000ANSI流明
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