We need to add the controller in order to enhance the control precision and response speed of DVD focus servo system, and then a new emendation arithmetic was put forward.
为了提高DVD聚焦伺服系统的控制精度和响应速度需要加入控制器，提出了一种新的校正算法。
Vacuum Fluorescent display (VFD) has been more and more applied in electric products, such as VCD, DVD etc. It is with wider visual field, vivid display effect, rapidly reaction speed and more colors.
真空荧光显示屏(VFD)以其具有广阔的视野角、鲜明的显示效果、反应速度快以及获得更多色彩，在VCD、DVD等电器产品中得到越来越多应用。
Yet, time isn't like a DVD that you could slow down, speed up, fast-forward, or rewind1.
然而时间可不像DVD那样可以慢放、快放、快进、快退。
Yet, time isn't like a DVD that you could slow down, speed up, fast-forward, or rewind1.
然而时间可不像DVD那样可以慢放、快放、快进、快退。
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