[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

应急求救灯的信号可见距离与光通量正相关:车用道路警示需≥100流明才能在夜间保证500米可见,海上/野外求救建议选择带SOS摩尔斯码闪烁模式且亮度≥200流明的型号

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