A computer document that links up a user and a system is one of the most important parts of a software system and a supplementary of the user interface of software.

计算机文档是软件系统的重要组成部分，它帮助用户与软件系统进行沟通，是软件用户界面的重要补充。

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Officials said they made digital radiographs and computer scans to document the internal condition of the battery before taking it apart.

CNN: STORY HIGHLIGHTS

It's a fax with fidelity, like Adobe Acrobat portable document files without needing a computer.

CNN: Surfing Silicon Valley: The preachings of the 'Anti-Gates'

Every student lives with the anxiety of losing her work to a spontaneous computer meltdown or a random disappearance of a document they swear they saved.

FORBES: Magazine Article