radiotelegraphy

基本解釋

Transmission of messages by radiotelegraphy.
用無(wú)線電傳真?zhèn)魉托畔?/li>
Of or relating to radio or communication by radiotelegraphy or radiotelephony.
無(wú)線的，無(wú)線電報(bào)的屬於或關(guān)於通過(guò)無(wú)線電報(bào)或無(wú)線電話聯(lián)系或無(wú)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(xiàn)有文字“，貨船無(wú)線電報(bào)安全証書(shū)或貨船無(wú)線電話安全証書(shū)”改爲(wèi)“或貨船無(wú)線電安全証書(shū)”。
Cargo ship safety radiotelegraphy approval record
貨船無(wú)線電報(bào)安全認(rèn)可記錄
Cargo ship safety radiotelegraphy certificate
貨船無(wú)線電報(bào)安全証書(shū)

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which messages (usually in Morse code) are transmitted by radio waves its use is no longer widespread as it has been superseded by satellite technology (Also called wireless telegraphy)