The sub-micron circular features of Compact Disc, Video Disc and Optical Disc are usually produced by laser cutting machine. 声盘、视盘及光盘的亚微米圆弧线一般通过激光刻录机光刻制造。
The metadata standard which was drawn by the Ministry of Science and Technology and CALIS management center altogether contains 11 kinds of basal resources, but as one important kind of library resource, the compact disc ( non-sound video frequency compact disc ) was not contained among them. 在科技部及CALIS管理中心制订的元数据标准中,共包含了11种基础资源,但光盘(非音视频光盘)作为图书馆的一种重要资源,并不包含其中。
A method of Video Compact Disc Encryption Used in Small Video Workstation 小型视频工作站实现VCD视频光盘加密一法