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莫尔斯代码SOS是如何表达

更新时间: 2020-06-30 00:00:00     

1、在莫斯电码中三短代表S,三长代表O, 所以紧急求救信号就被简称为SOS;

2、敲击声音是用间隔的长短来表示声音的长短,如敲、停3秒、敲、停3秒、敲、停3秒表示三长,敲、停1秒、敲、停1秒、敲、停1秒表示三短。用灯光则是以亮的时间来表示声音的长短,如亮两秒、灭亮两秒、灭亮两秒、灭表示三长,亮灭亮灭亮灭表示三短。一般长是短的三倍左右。

关键词: 代码 sos 如何 表达

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