backup是什么意思_backup在线翻译_英语_读音_用法_例句

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backup的英文翻译是什么意思，词典释义与在线翻译：

Noun:

an accumulation caused by clogging or a stoppage;
"a traffic backup on the main street"
"he discovered a backup in the toilet"
someone who takes the place of another (as when things get dangerous or difficult);
"the star had a stand-in for dangerous scenes"
"we need extra employees for summer fill-ins"
a musical part (vocal or instrumental) that supports or provides background for other musical parts
(computer science) a copy of a file or directory on a separate storage device;
"he made a backup in case the original was accidentally damaged or erased"
the act of providing approval and support;
"his vigorous backing of the conservatives got him in trouble with progressives"

用作名词 (n.)

When the main system fails, the backup system take over.
当主系统不能工作时，后备系统立即投入工作代替之。
We offer a free backup service to customers.
对顾客我们提供免费配套服务。
The backup job resides on the primary server.
备份作业驻留在主服务器上。

【近义词】