Unverified80% confidenceTradeoffTime unknown
灯珠越暖（低色温）通常显色越好但亮度效率越低；追求高显色高色温需更多灯珠成本更高，日常读写选4000K+Ra95是显色与舒适度的最佳平衡点
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80%
Confidence
Long-term
Relevance
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Unverified亮度与色温可调的智能灯，无级调光的均匀度和显色性通常低于同价位固定色温灯，追求高显色阅读场景可牺牲调色功能换取Ra95高品质固定光87% similarUnverified色温越低（越暖）氛围感越强但照度利用率越低，阅读效率打折；想兼顾则选支持2700K-6000K全色温可调的双色温灯珠款85% similarUnverified色温可调范围越宽、显色指数越高，灯珠成本与灯体体积越大，全域可调+Ra95的灯具明显更贵；日常氛围照明选2700-5000K+Ra90已足够，无需追求Ra9884% similarUnverified全光谱高显色（Ra95+）灯珠的光效（流明/瓦）低于普通灯珠，同瓦数下更暗更耗电，护眼与节能亮度之间需权衡82% similarUnverified色温可调与显色指数存在权衡：低价台灯为实现宽色温调节常牺牲Ra值，暖光档Ra往往下降明显；预算有限时应优先保证常用中性光档位的Ra≥9081% similar
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