1·Optical disc has a 600 Megabyte capacity and are well suited for the computer applications needing the vast storage.
光盘有600兆字节的容量，非常适合需要大存储量的计算机应用。
2·DVD optical disc storage technology had already been invented.
DVD光盘存储技术早已问世了。
3·Optical disc, recording apparatus, and computer readable recording medium.
光盘，记录仪器，以及计算机可读记录介质。
4·The outlook and Suggestions about the international standard number of the optical disc publication are presented, as well as description methods for catalogue reading with computer characteristic.
本文就光盘出版物的国际标准号和其计算机特征项的机读目录著录方法提出一些看法的建议。
5·What are the two most common optical disc formats?
什么是最常见的两种光盘格式?。