Then they try to teach the students something with a specific presentation style, like using visual AIDS, and do a follow up test to see how much they learned.

然后他们试着用一种特定的演讲风格教学生一些东西，比如使用视觉辅助，和做一个后续测试，看看他们学到了多少。

youdao

Using visual aids, repeating key points and changing your volume to emphasize certain points are ways to use theatre to improve your communication.

你可以运用可见的帮助、重复关键点、调节音量等方法来强调某些重点，进而提高交际能力。

youdao

It includes how to understand the problem query better by using the visual AIDS provided by query formatting, annotation, reports, and the access plan graph.

其中包含如何通过使用查询格式化、注释、报告和访问计划图来更好地理解问题查询。

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In presentations using visual aids, she says, use no more than one slide a minute.

ECONOMIST: Damned lies and statistics

There's a chart behind me right here -- we're using visual aids today. (Laughter.) The bar on the left shows that six years ago, 60 percent of the oil we used was imported.

WHITEHOUSE: President Obama Speaks on American Energy