电子教学装置是指利用计算机中的指令帮助学生达到学习目的的一种教学装置，每个学生都可以通过终端直接与计算机通信。

An electronic tutor is a teaching unit making use of instructions within the computer to help students achieve goals; with each student communicating directly with the computer via a terminal.

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因此，这个编辑器不需要通过终端来运行，尽管它需要 X Window 系统，并且是 UTF-8 编码的字体的一种测试工具。

The editor, therefore, does not need a terminal to run, although it needs X Window System and works as a testing tool for UTF-8-encoded fonts.

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集合是通过为每个输入终端配置事件处理程序进行定义的。

A collection is defined by configuring an event handler for each input terminal. Each event handler controls the acceptance of a message into a collection according to the following properties.

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