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Morse code
01
摩尔斯电码, 摩尔斯编码
a system of communication that uses dots and dashes to represent letters, numbers, and symbols, enabling messages to be transmitted over long distances through sound or light signals
Example
He found an old book about Morse code and was fascinated by how people used it to communicate.
The pilot used Morse code to send a message when the radio stopped working mid-flight.
