Unverified80% confidenceTradeoffTime unknown
高显色指数（Ra95+）光效通常更低、发热更大同功率下更暗，普通照明区域用Ra90即可，无需全屋堆95以上
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Unverified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91% similarUnverified高显色(Ra95+)光源为提升显色会牺牲光效(lm/W)，相同功率下亮度略低且发热更高，功能区照明可用Ra80换取更高亮度和更低能耗91% similarUnverified高显色指数(Ra95+)灯管往往伴随更低光效（流明/瓦），同样亮度更费电，普通阅读选Ra90平衡显色与能耗即可90% 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高显色（Ra95+）与高亮度往往难以兼得：高显色LED光效偏低，同功率下亮度会打折，追求亮度可接受Ra90，追求还原度需适当加大功率88% similar
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