... 求救呼叫 distress call 求救警钟 panic alarm 求救频率 df distress frequency; distress frequency ...
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Therefore, the most urgent key project for us to study is to solve how to take advantage of security technology precaution, to construct an effective multiple precaution panic alarm system.
因此,如何利用安全技术防范的优势,构建起有效的社区安全防范综合报警服务体系,就成了当前迫切需要研究和解决的重要课题。
According to the inventors, young children often panic and hide when they hear a conventional smoke alarm, sometimes fearing they have done something wrong to set it off.
据这些发明人说,小孩子们在听到传统的烟雾报警器报警时,往往会惊慌失措而藏起来,有时他们会很害怕,以为自己做错了事而弄响了报警器。
Does the sound of your alarm clock set you in panic, dry sweats, and almost bring you to tears each morning?
每天早上闹钟的声音是否让你恐慌,浑身发汗,甚至有种想哭的感觉?
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