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

 
  • 在全双工链路上操作非智能CRT终端的一种通常方式,在该方式下,每个键入的字符都是先从目的地(通常为一本地的计算机或终端控制器)被返回来,然后才显示到屏幕上
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