the common method of operating an unintelligent CRT terminal on a full duplex link; each character that is keyed in is returned from the destination(usually a local computer or a terminal control unit) before it is displayed on the screen是什么意思_the common method of operating an unintelligent CRT terminal on a full duplex link; each character that is keyed in is returned from the destination(usually a local computer or a terminal control unit) before it is displayed on the screen在线翻译_英语_读音_用法_例句