An endoscope (which contains a surgical light and small camera) is placed through the tube, allowing the surgeon to view the annulus, disc, and epidural space on a video monitor.
经工作套管放置内镜(它带有手术光源和小摄像机)，允许外科医生通过视频屏幕观察纤维环、椎间盘、硬膜外间隙。
The lucius prism array described in the paper is a four-centimeter square, yet the researchers estimate the size could be enlarged to that of a smartphone screen or even a video monitor.
文件中所描述的“卢修斯”棱镜阵列是一个4厘米的正方形，但研究人员估计它可扩大到智能手机屏幕甚至视频监视器那么大。
I practiced my speech in front of a video monitor, did a walk-through of how it would be staged, received instruction on where to stand, where to wave, and how to best use the microphones.
我在视频监视器前面练习我的演讲，做了一个初排，分析该怎么样开场，被指导该站在哪里，该在哪里挥手和最佳的使用话筒的方法。
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