... audiotape recorder:磁带录音机 audiovisual aid:视听辅助设备 audiovisual equipment and system:视听设备和系统 ...
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早点到,在会场内四处走走,试试麦克风和视听辅助设备。
Arrive early, walk around the speaking area and practice using the microphone and any visual AIDS.
在视听辅助教学中使用的一种允许学生答复教材问题(如回答几种选择性问题)的设备。
In audiovisual AIDS, a device that allows a student to respond to the teaching material, e. g. answer a multiple choice question.
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