radiotelegraph

• 指利用无线电波代替导线进行电报通信的系统，通常与摩尔斯电码等电报信号的发送和接收相关。

A noun referring to a system of telegraphy that uses radio waves instead of wires for communication, often associated with sending Morse code messages.

1. Wireless telegraphy systemC2formaltechnical

   A system for transmitting telegraphic messages using radio waves instead of physical wires.

   无线电报

   • The ship's crew used a radiotelegraph to send distress signals.
   • Early radiotelegraph systems relied on Morse code.
   • The invention of the radiotelegraph revolutionized long-distance communication.

   同义词radiotelegraphywireless telegraphwireless telegraphy

2. Method of communicationC2formaltechnical

   The practice or technology of sending telegraphic messages via radio, typically using Morse code.

   无线电报

   • Radiotelegraph was essential for maritime communication in the early 20th century.
   • Operators trained extensively in the use of radiotelegraph equipment.
   • The radiotelegraph allowed instant communication across oceans.

   同义词radiotelegraphywireless telegraphwireless telegraphy