If you rely on slides or computer-generated images, have a back-up plan.

如果你依靠幻灯片或者要用电脑展示图片的话，一定要有一个备选方案。

Augmented reality is a technology that creates computer-generated images and projects them in a way that they look real.

增强现实技术是指可以实现计算机成像的一种科技，并将图片投影，使之看起来像实物。

The term refers to a live view of a real-world environment--the one you and I live in--that's enhanced with computer-generated images.

这个名词是在你我生活的真实环境上叠加计算机深层的图像。