实验室计算机维护的核心是硬盘的维护及数据的备份、恢复和拯救。

The core of the laboratory computer maintenance is the hard disk maintenance of data restoration and back-up.

youdao

到目前为止，我们已经讨论了LDAP目录和数据库中的配置文件和数据的备份。

So far we've discussed backing up configuration files and data that reside on the LDAP directory and the database.

youdao

关键数据的备份与恢复操作已经成为系统日常运行维护的一个重要组成部分。

Backup and recovery operation of crucial data have become an important part of systematic daily operation maintenance.

youdao

Again, I don't have data to back this up, but just common sense suggests to me that the common case is if I'm on the subway platform I want to get on that train and maybe I want to get back and where are those two buttons, right?

此外，我没有数据来备份这个，但是常识告诉我，常见的情况是,如果我站在地铁站台上，我想乘上地铁,可能我还想回来,那么哪里能找到这两个按钮，对不？

哈佛公开课 - 计算机科学课程节选

We're talking about like, if you didn't, even if you had all your data on your computer backed up on hard drive,

如果你没有将你电脑里的数据备份到硬盘里，

没有智能手机活不了 - SpeakingMax英语口语达人