As a visual aid for his essay.
为他的论文提供视觉帮助。
Your slide show is just a visual aid.
你做的幻灯片只是观众视觉上的辅助。
Great slides serve as a visual aid that reinforces the speaker's message.
出色的幻灯片为演说者提供视觉辅助，增强信息传递的效果。
A visual aid locating the district might be helpful, though we can't assume we'll have an overhead by then.
可指出选区位置的直观教具可能会有用，虽然我们无法假设到时会有足够经费。
A couple of days before our speeches were due, I had the bright idea of going to the local branch of the Humane Society and borrowing a puppy to use as a sort of a visual aid.
演讲前最后几天，我有了一个好主意，准备去当地动物保护协会分会借一只小狗，作直观教具用。
1 Decision tables offer a simple, visual aid, and they can be applied in knowledge-based systems to perform verification processes efficiently.
1决策表提供了一个简单的，可视化的帮助，它可以在知识库系统中被使用，来高效的执行验证过程。
Result: a Dutch or Danish or even Arab family has an audio-visual learning aid in its living-room, and usually the language spoken on-screen is English.
结果：荷兰或丹麦或甚至阿拉伯家庭会在它们起居室摆放一个语音视频学习辅助器，银幕上说的语言通常都是英语。
They are also an effective visual aid that indicates the location of the user within the website's hierarchy, making it a great source of contextual information for landing pages.
面包屑路径还可以提供有效地视觉帮助来知道用户了解自己目前所处与网站中的等级，让他们能够更容易的找到他们的开始页。
Tools can be tailored for specific needs or they can be more general tools, such as a simple visual drawing aid.
可以根据特定需求对工具进行定制，也可以使用更为通用的工具，如简单的可视绘图辅助工具等。
The template region labels visual aid displays a purple border around content regions and also displays a placeholder indicating the name of each content region.
“模板区域标签”视觉帮助会在内容区域周围显示一个紫色边框，还会显示一个占位符，指明每个内容区域的名称。
Each dotted border represents a separate visual aid.
每个虚线边框都代表一个单独的视觉帮助。
Design can also aid in selling a product or idea through effective visual communication.
设计还可以援助在销售产品或思想，通过有效的视觉沟通。
The cut edge is magnified with a projector to aid measurement and visual inspection.
切口边缘被投影器放大了，目的是方便测量和观察。
When using a pointer, hold the pointer in the hand closest to the visual aid to avoid turning your back to the audience.
当你使用指示棒时，要拿在靠屏幕侧的手里，以避免背对听众。
When using a pointer, hold the pointer in the hand closest to the visual aid to avoid turning your back to the audience.
当你使用指示棒时，要拿在靠屏幕侧的手里，以避免背对听众。
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