如果教师不知道哪个终端模拟器窗口与该学员对应，可以要求学员输入特定形式的关键字，然后查看哪个窗口显示了该关键字。
If the instructor does not know which terminal emulator window corresponds to the student, he or she can ask the student to enter a keyword on a particular form and see which window displays it.
电传打字电报：国际性的直拨电话通信设施，它用电传打字机为终端机，以每秒50数元，传送波德代码，即每分钟600字。
Telex: An international dial-up communications service that uses teleprinters for terminals and transmits Baudot code at 50bits per second, or 600 words per minute.
电传打字电报：国际性的直拨电话通信设施，它用电传打字机为终端机，以每秒50数元，传送波德代码，即每分钟600字。
Telex: An international dial-up communications service that uses teleprinters for terminals and transmits Baudot code at 50bits per second, or 600 words per minute.
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