Unverified80% confidenceTradeoffTime unknown
高显色指数(Ra≥95)与高亮度往往难以兼得且价格更高，日常卫生间照明Ra90+已足够，无需追求Ra98的专业级镜前灯
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80%
Confidence
Long-term
Relevance
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Unverified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88% similarUnverified高显色指数(Ra90+)通常以牺牲发光效率为代价：同瓦数下Ra90灯泡比Ra80亮度略低约10-15%，追求高显色需适当选更高流明型号87% 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Ra9787% similarUnverified高显色(Ra95+)与高光效通常矛盾：同功率下高显色灯珠光通量更低更暗，追求极致亮度和极致显色不可兼得，普通家用取Ra90+光效100lm/W左右为平衡点86% similarUnverified显色指数与光效存在矛盾：高显色（Ra95+）通常牺牲能效和亮度上限，需要更大功率才能达到同等照度，纯办公照明选Ra90平衡即可85% similar
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