morse code造句
31 Samuel Morse, inventor of the telegraphic Morse Code, died in New York City aged 80.
32 You might want to checkout the Morse Code Translator .
33 Morse code is a very simple example of pulse - code modulation.
34 For example, in Morse code the dots and dashes of a character are separated by an inter character space , which is three times the duration of an inter symbol space .
12