Unverified85% confidenceTradeoffTime unknown
显色指数越高（Ra97+、含R9-R12全指数）光效越低、发热越大、价格越贵，日常照明Ra95已足够，专业色彩校对才需Ra97+
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85%
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Long-term
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Unverified显色指数越高（Ra97+且高R9）通常需要牺牲光效，同瓦数亮度更低价格更贵；日常客厅照明Ra90-93已足够，只有辨色/创作场景才值得为Ra97买单90% similarUnverified显色指数越高（Ra97、R9高）通常发光效率越低，同等亮度需更高功率、发热更大且价格更贵；非专业用途Ra95已足够，无需盲目追求Ra9890% similarUnverified显色指数越高（Ra95+）通常光效越低、发热略高且价格更贵，日常洗漱照明Ra90已足够，无需为非化妆场景追求Ra9790% similarUnverified显色指数越高（Ra95+/高R9）往往牺牲发光效率，同瓦数流明更低更耗电；一般居家Ra90+已足够，Ra95+适合专业辨色需求88% similarUnverified显色指数与光效存在权衡：高显色（Ra95+）的LED光效通常更低更费电、发热略高，日常阅读Ra90已足够，无需为追求Ra98支付高溢价87% similar
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