Overhaul is an important component of electric power enterprise day-to-day work including electrical equipment maintenance, defects management, files management, and so on.

检修是电力企业日常工作的重要组成部分，它包括电力设备日常检修、消缺和档案管理等。

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Real DVD also installs a new layer of digital-rights-management (DRM) code on files, blocking users from copying them more than five times to other computers.

FORBES: Magazine Article

All tracks will be DRM free, or without digital rights management, meaning users can move the files around between devices and convert them an unlimited number of times.

ENGADGET: Sony Ericsson's PlayNow Arena: 1 million, DRM-free songs on Monday

So far, the major labels have been unwilling to let their music be distributed on podcasts, which don't have any kind of digital-rights management scheme that prevents users from redistributing the files.

FORBES: Take My Music, Please