back up data

基本解释

You can back up data locally or over a network.
你能地方性地或在一个网络之上备存数据。
It's not a good idea to back up data and records and to run applications in the same building -- or even in a different building in close proximity on the same site.
在同一个建筑物中对数据和记录进行备份并且运行应用程序不是什么好主意，甚至在同一个地区距离很近的两个地方进行备份也不是什么好主意。
During a parallel backup, whether it is a standard backup (onbar -b) or whole-system backup (onbar -b -w), multiple processes run simultaneously and back up data to separate dbspaces.
在并行备份期间，不管是标准备份（onbar -b）还是全系统备份（onbar -b -w），都是多个进程同时运行，并将数据备份到不同的 dbspace 中。

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
The reason I want to point this out to you is, if we go back up to the kinds of data objects we started with, floats, ints, strings, they actually behave the same way.
我要为大家指出这一点的原因是，如果我们想一下以前讲过的,数据类型的种类，浮点数，整数，字符串，它们实际上有相同的行为方式。
麻省理工公开课 - 计算机科学及编程导论课程节选

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