Editorial Note: This article is written with editorial review and topic relevance in mind.
关于sos（国际 摩尔斯电码 救难信号）的介绍： 概述： s.o.s 是国际摩尔斯电码救难信号，并非任何单词的缩写。鉴于当时海难事件频繁发生，往往由于不能及时发出求救信号和最快组织施.
SOS Signal Leads to Rescue of Hypothermic Teen Hiker After 7Hour Search
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