Initially, this was wireless morse code telegraphy, the principal communication technology of his day.
最初，这是电报通讯，他那个时候的主要通信技术。
2
Morse code was an early code in telegraphy.
他嗒嗒地拍发了一份摩尔斯电码的电报。
3
In 1832 Samuel F. B. Morse made sketches of ideas for a system of electric telegraphy, and in 1835 he developed a code to represent letters and Numbers (Morse code).