Unverified80% confidenceTradeoffTime unknown
夜光（蓄光型）与反光（回归反射型）用途不同：夜光标牌在完全黑暗（如停电）下自发光但需先充分吸光，适合逃生指引；反光标牌需外部光源照射（手电/车灯）才亮，室内应急优先选蓄光型Ⅱ- Ⅲ 级发光材料
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80%
Confidence
Long-term
Relevance
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