back file

常见例句

It is common practice to make a back-up file for our documents.
惯常做法是为正本另立一个后备档案。
The back-end WSDL file is shown in Listing 2, and front-end in Listing 3.
后端 WSDL 文件显示在清单 2中，前端文件显示在清单 3中。
Approving changes made in the previous human task means that the process will automatically submit updated changes to the back-end file.
批准之前的人工任务中的更改意味着流程会自动将经过更新的更改提交到后端文件。

The full-size USB port provides connectivity to existing equipment and SD card reader enables easy file transfer plus back-up when Internet access is not feasible.
ENGADGET: Dell Latitude 10 essentials trim pushes pro Windows 8 tablets down to $499 (video)
Growing businesses find that a server set-up provides more control over file management, sharing, back-up and security, plus efficiency when adding people.
FORBES: Are You Feeling The Pain Of Peer-To-Peer?
MacKeeper is a suite of 16 software utilities including Internet security, file recovery, data encryption and back-up.
FORBES: Thoughts on Three Potentially Disruptive Companies at MacWorld