Unverified88% confidenceDecision RuleTime unknown
符合ISO 3664:2009标准的观察灯箱要求光源显色指数Ra≥90且特殊显色指数R9(饱和红)≥85、CRI单项无低于80,仅看Ra数值不足以保证印刷色评估准确
1
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88%
Confidence
Long-term
Relevance
-
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Unverified护眼台灯的显色指数Ra应≥90(国AA级要求Ra≥90,R9≥50),Ra越接近100色彩还原越真实,绘画/阅读场景优先看R9红色还原值85% similarUnverified选带显色指数Ra≥90的吊灯,低于Ra80的灯会让食材颜色失真,同样价位优先看CRI参数而非流明数84% similarUnverified显色指数Ra≥90才能真实还原书本色彩与颜色作业,普通LED台灯Ra仅80左右;美术、做手工、辨色作业场景应选Ra≥95的高显色台灯83% similarUnverified补光灯选购看显色指数CRI≥95才能真实还原肤色和菜品色泽,CRI<90的低价LED灯会导致人像偏绿偏黄,礼盒内标称'高亮'但未标CRI的补光灯需谨慎82% similarUnverified显色指数Ra≥90(部分标注R9≥50)能更真实还原颜色,适合美术、看书场景;普通照明Ra≥80即可,无需为高显色支付溢价82% similar
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