backupnoun
增援；后援
extra help or support that you can get if necessary
The police had backup from the army.
警方得到了军方的增援。
We can use him as a backup if one of the other players drops out.
如果有参赛者退出，我们可以用他作为替补。
a backup power supply
备用电源
（文件等的）备份
a copy of a file, etc. that can be used if the original is lost or damaged
Always make a backup of your work.
每次都要对文件进行备份。
a backup copy
备份文件
backup
-
1
N-VAR （物资、人员等的）支持，辅助
Backup consists of extra equipment, resources, or people that you can get help or support from if necessary.There is no emergency back-up immediately available...
手头无法获得应急支持。
-
2
N-VAR 备用品；后备计划
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.Every part of the system has a backup...
系统的每个部分都有备用元件。
noun
-
1
- the act of providing approval and support
- his vigorous backing of the conservatives got him in trouble with progressives
- Synonym: backing championship patronage
-
2
- (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
- Synonym: computer backup
-
3
- a musical part (vocal or instrumental) that supports or provides background for other musical parts
- Synonym: accompaniment musical accompaniment support
-
4
- 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
- Synonym: stand-in substitute relief reliever backup man fill-in
-
5
- an accumulation caused by clogging or a stoppage
- a traffic backup on the main street
- he discovered a backup in the toilet
数据来源：WordNet
-
Always make a backup of your work .
每次都要对文件进行备份。
-
Always make a backup disk as an insurance policy .
为保险起见，每次都要做备份磁盘。
-
You should make a copy of the disk as a backup .
你应该将磁盘复制一个备份。
-
We can use him as a backup if one of the other players drops out .
如果有参赛者退出，我们可以用他作为替补。
-
Every part of the system has a backup
系统的每个部分都有备用元件。
-
Do not use a bit-image method of backup ( like a tape streamer ), because this will copy the virus .
不要使用位元影像的方法（如磁带机）备份，因为这样会将病毒一起拷贝下来。
-
Additionally , this approach leverages the benefits of incremental and full backups .
除此之外，这一个作法也使渐近式以及完全的备份变得容易。
-
As the backup of the Chang'e-5 mission , the Chang'e-6 mission would also collect lunar samples automatically for comprehensive analysis and research .
嫦娥六号探测器作为嫦娥五号的备份，也将在月球进行自动采样，供全面分析和研究之用。
-
FileTiger is a high-power dual-window file synchronizer and backup tool . filetiger
是一个高功率双窗口的文件同步和备份工具
-
That 's only because I have a good backup system .
那只是因为我有一个好的备份系统。
-
Design and Implement of Data Backup System Based on Transaction
面向交易的数据备份系统设计与实现
-
Solution of Storage and Backup System of Agricultural Film and TV Data
农业影视数据备份存储系统解决方案
-
The Study and the Realization of Data Remote Backup and Its Recovery Technology
硬盘文件远程备份与恢复技术的研究与实现
-
Data backup , user training , and performance issues must also be considered .
数据备份、用户培训和性能问题都必须在考虑之列。
-
We have the backup and people to do the marketing .
我们有后援也有人负责营销。
-
Oracle Backup Strategy for University Information Management System
高校信息化管理系统中Oracle数据库的备份策略&以北京理工大学珠海学院为例
-
So every system has backups : some have four .
因此每个系统都进行了备份：部分系统甚至有四份备份。
-
Full backup of all data from device to desktop computer .
从移动设备到桌面计算机所有的数据完全备份。
-
Research on a Distributed Heterogeneous Database Backup and Recovery Mechanism
一种分布式异构数据库备份恢复机制的研究
-
The Backup and Restore of Database System Based on VoIP Telephone System
VoIP电话系统的数据库系统的备份与恢复
-
Design and Realization of a Windows Mirror Backup System Based on WDM Model
一种基于WDM模型的磁盘镜像备份系统的设计与实现
-
Specify the location of the backup data to use for data recovery .
指定用于数据故障恢复的备份数据的位置。
-
This system has backup function .
系统对重要数据具有备份功能。
-
Hard Disk Data Saving Format and System Area Backup
硬盘数据存储格式与系统区域的备份
-
Key management includes key generation and key storage , backup and restore .
密钥管理包括密钥的产生和密钥的存储、备份及恢复等。
-
System and data backup and recovery controls .
系统和数据备份和恢复控制。
-
Study and Implementation for Remote Backup of SQL Server Database
SqlServer数据库异地备份的研究与实现
-
Medical record memory system promotion and security backup plan
病历存储系统升级及安全备份方案
-
Always make a backup copy of your index before running this !
运行此之前总是先做一个备份您的索引！
-
The Design and Accomplishment of an Application System Oriented Online Dual Backup Plan
面向应用级的纯软件双机热备份机制设计与实现