Unverified50% confidenceDecision RuleTime unknown
标称流明看的是瞬时峰值，真正决定使用体验的是'恒定输出（regulated）时间'——劣质头灯5分钟后亮度衰减50%，选购应看厂家标注的稳定亮度续航而非最大流明续航
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50%
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Long-term
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