radiotelegraphy

基本解释

Transmission of messages by radiotelegraphy.
用無線電傳真傳送信息
Of or relating to radio or communication by radiotelegraphy or radiotelephony.
無線的，無線電報的屬於或關於通過無線電報或無線電話聯系或無線電傳送的
The existing words, ""Cargo Ship Safety Radiotelegraphy Certificates or Cargo Ship Safety Radiotelephony Certificates"" are replaced by ""or Cargo Ship Safety Radio Certificates"".
將現有文字“，貨船無線電報安全証書或貨船無線電話安全証書”改爲“或貨船無線電安全証書”。
Cargo ship safety radiotelegraphy approval record
貨船無線電報安全認可記錄
Cargo ship safety radiotelegraphy certificate
貨船無線電報安全証書

a type of telegraphy in which messages (usually in Morse code) are transmitted by radio waves its use is no longer widespread as it has been superseded by satellite technology (Also called wireless telegraphy)