Diagrams and graphs are indispensable visual aids in many aspects of economics.
图形和图解在经济学的许多方面是重要的形象工具.
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When I was here a few months ago, the audio-visual aids were being installed.
几个月前我在这里的时候, 视听 教具正在安装.
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Low vision rehabilitation involves the use of visual aids and rehabilitation training.
低视力康复主要是通过助视器的使用配合低视力康复训练.
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Here only oral instruction; there not only that, but textbooks, dictionaries and visual aids.
一方只通过口头传授,另一方处口头传授之外, 还有教科书 、 词典及可视辅助材料.
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其中很重要的一点是,许多电教教师要正确掌握摄录像的技巧.
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One notable side effect is the creation of selective visual aids known as beer goggles.
不过,有一个很明显的附带效果就是创造了“啤酒眼”这种选择性视觉辅助功能.
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根据员工需要编辑培训资料, 包括音视和其他教学资料.
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