网络释义专业释义英英释义
要避免同样的事件发生，定时备份（Backup）是十分重要的，因为意外是无法预知！所谓定时备份是指每隔一段时间将资料复制到另一个安全地方，例如：光碟、磁带等。
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Database Backup to Device 备份选择页面 从选择页面中我们可以看到，其提供了备份方式（Backup Mode），备份类型（Backup Type）的选择（关 于备份方式和备份类型我们在这里不进行深入的讨论）。
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backup battery [电] 后备电池 ; 备用电池 ; 主板电池 ; 后备电池供电
Backup Software 备份软件 ; 文件备份 ; 备份容灾软件 ; 再进行备份容灾软件
backup browser 后备浏览器 ; 备份浏览器 ; 后备阅读器 ; 后备涉猎器
backup file [计] 备份文件 ; 备用文件 ; 备份档案
full backup 完全备份 ; 全备份 ; 完整备份 ; 全部备份
incremental backup 增量备份 ; 增量式备份
Titanium Backup 钛备份 ; 捐赠版 ; 钛备份专业版 ; 钛金备份
differential backup 差异备份 ; 差分备份 ; 差量备份 ; 微分备份
Blog Backup 博客备份程序 ; 博客备份工具 ; 博客珍藏工具 ; 博客备份软件
backup [ 'bækʌp ]
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n.
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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)
- a subordinate musical part; provides background for more important parts
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(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"
同义词： computer backup
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the act of providing approval and support
同义词： backing championship patronage
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an accumulation caused by clogging or a stoppage
以上来源于: WordNet
柯林斯英汉双解大词典
backup /ˈbækʌp/ (also back-up) CET4 TEM4
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1.
N-VAR Backup consists of extra equipment, resources, or people that you can get help or support from if necessary. 后备 (设备、物资或人力)
例：There is no emergency back-up immediately available.
没有立即就能获得的后备。
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2.
N-VAR If you have something such as a second piece of equipment or set of plans as backup, you have arranged for them to be available for use in case the first one does not work. 备用物 (如设备、计划)
例：Every part of the system has a backup.
这套系统的每个部分都有备件。
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3.
N-COUNT The backup of a song is the music that is sung or played to accompany the main tune. 伴奏; 伴唱
例：Sharon also sang backup for Barry Manilow.
莎伦还为巴里·马尼洛唱了伴唱。
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4.
N-COUNT A backup is the same as a . 后援 [美国英语]
双语例句原声例句权威例句
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You should make a copy of the disk as a backup.
你应该将磁盘复制一个备份。
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If that happens, the grasshopper has a backup defense.
如果发生这种情况，蚱蜢就有了后备防御。
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In areas where the wind dies down, backup electricity from a utility company or from an energy storage system becomes necessary.
在风能不稳定的一些地区，需要供电事业公司或者能量储存系统来提供备用电能。
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They were recorded with excellent backup singers and musicians.
VOA: special.2009.05.11
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But it's more limited in its feature set but again will build backup to those features.
由于其自身的特点而很受限制,但是可以对这些特征进行备份。
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So it's like a backup.
所以，这就像是备用。
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