键盘一系列键，如计算机终端设备、文字处理机、打字机或钢琴上 A set of keys, as on a computer terminal, word processor, typewriter, or piano.
不智能的终端设备 A dumb terminal.
这些终端设备都和我们的计算机主机相连。 These terminals are connected to our mainframe computer.
在交互对话期间，终端设备外观上不再对外联系或进行任何工作的一种状态。当系统挂起时，用户可能认为系统已经崩溃。 A state during an interactive session in which, the terminal appears to be going nowhere or doing nothing. When the system is hang up, users might think that it has crashed.
