The Morse Code is made up of dots and dashes.

莫尔斯电码由点和画线组成。

youdao

First Marconi sent the Morse code letter s a distance of 300 feet.

马可尼首先将摩尔斯码的字母s发送了300英尺远。

youdao

By the time he was eleven, he had set up a home-made telegraph and was practicing the Morse Code.

等到了十一岁时，他已经装配起一个简易电报机，并时常练习摩尔斯电码。

youdao

The Morse code, imprinted on all six wheels, is: .

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He worked so hard at it that he could eventually take telegraph messages by ear rather than by transcribing the Morse code a feat only two other people in America could perform.

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The last significant amendment was made in 1988 to replace Morse code with the Global Maritime Distress Safety System (GMDSS).

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