当前的研究与开发的重点是具有高记录密度，数据传输速率快、稳定性好、载噪比大和误码率低的可擦型光盘存储材料。
The erasable optical disk with high recording density, high stability, high data transfer rate, high carrier-noise ratio and low error rate arc the main points in the research and development.
本文以SCI为例，从几个方面阐述文摘索引型数据库的光盘版与网络版的比较及文摘索引型数据库的发展趋势。
The article reviewed the SCI, many aspects are listed to comparise the SCI CDE and SCI Expanded. The article also illustrated the development trends of the bibliographic database.
本发明的光盘装置，对于一次记录型盘以及改写型盘中的任一方都能够进行数据的记录。
An optical disc device can record data both on a write once type disc and a rewritable type disc.
文章论述了光盘型电子出版物典藏管理和利用的现状，探讨光盘型电子出版物典藏管理的原则、方法及意义。
The paper describes the current situations of the management and utilization of the classical-collection of these publications and discusses the principle, method and significance of their management.
文章论述了光盘型电子出版物典藏管理和利用的现状，探讨光盘型电子出版物典藏管理的原则、方法及意义。
The paper describes the current situations of the management and utilization of the classical-collection of these publications and discusses the principle, method and significance of their management.
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