This article discusses the key technology of improving compact disc information from three aspects: storage density, data transmission rate and superhigh density storage.

本文从光盘的存储密度、数据传输率和超高密度存储三个方面讨论了提高光盘信息存储的关键技术。

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Blu-ray and HD DVD are similar in technology. Both use a blue laser to read the information on the disc.

蓝光影碟机和高清数字影碟机采用了相似的技术，都用蓝色雷射光读取影碟上的信息。

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You can use the ddrescue tool from the command line to recover as much information off that disc as possible, and it's really not that difficult.

你可以里从命令行利用ddrescue工具来修复尽可能多的信息。确实不是很难。

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Another idea is to scan this information onto a disc.

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The system could thus provide astronomers with invaluable information about planet-disc interaction, suggests Alan Boss, a leading planet-formation theorist at the Carnegie Institution in Washington.

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That means Jeep executives can go to a secure Web site and pull up information about people playing its Disc Dogger game, designed by YaYa, as well as games designed by other companies.

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