If you don't have a backup copy of the corrupt document readily available, make a copy of the corrupted file right away and store it on removable media.
如果你没有损坏文档的可读备份版本，需马上复制一份损坏文档的备份到可移动介质上。
The document library returns a SAXSource (Listing 10) in case of a backup because a document library can hold lots of data.
文档库返回一个SAXSource以备备份时用（清单10），因为一个文档库可以保存很多数据。
The production management system includes three modules: document release, production controlment, data - gathering. Data backup mechanism is explained at the end of the chapter.
分析生产管理信息系统其中的公文发布、生产调度、数据采集三个模块并说明了其备份的解决方案。
This system, in one way, can backup, monitor and recover the web page automatically, in the other way, it can backup, monitor electronic document for the sake of its security.
它既可用来备份、监控、自动恢复网站的主页，也可用来备份、监控电子文档，防止对电子文档的篡改。
This system, in one way, can backup, monitor and recover the web page automatically, in the other way, it can backup, monitor electronic document for the sake of its security.
它既可用来备份、监控、自动恢复网站的主页，也可用来备份、监控电子文档，防止对电子文档的篡改。
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