Unverified80% confidenceCautionTime unknown
森林火险期或干旱林区不要依赖明火/烟雾信号——除引发次生灾害外,多数林区法规禁止,应改用信号镜、频闪灯和无线电装备
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80%
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Long-term
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Unverified密林、峡谷等遮挡严重环境不建议依赖升空信号,弹体易被树冠遮挡且引燃火灾风险高,应改用哨子、反光镜或激光求救器78% similarUnverified密林或阴天等低光照环境下信号镜效用大幅下降,不能作为唯一求救手段,需搭配哨子或电子信标72% similarUnverified应急备灾照明方案:主力选LED营地灯/头灯(安全无明火)+ 备用飓风油灯(长续航)+ 少量长效蜡烛(数十小时白蜡烛);避免仅依赖明火,明火照明须搭配灭火器材和通风71% similarUnverified野外应急信号方案:将电子信号灯(SOS红光频闪)作主力,搭配反光镜(白天)+ 化学冷光棒(备用无电源)+ 口哨(声音),形成昼夜/有电无电全覆盖的三重冗余70% similarUnverified仅提供频闪光信号,不含声音或烟雾信号,白天或强光环境下可视距离大幅缩短,不能替代日间信号设备69% similar
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