- backup
 - ['bækʌp]
 - n. 支持;后援;阻塞
adj. 支持的;候补的
vt. 做备份 
参考例子
           - 1.Backup Sector for Glory Radiation.
 - 备份部门荣誉辐射。
 
- 2.If you can, create the backup on a removable disk or networked location.
 - 如果可以的话,创建一个可移动磁盘或网络位置备份。
 
- 3.The reliability of data storage is by analyzing the data storage and backup strategy.
 - 通过数据存储和备份策略的分析,指出数据存储的可靠性。
 
英文解释
           - n.
 - 1.an accumulation caused by clogging or a stoppage
 - 2.someone who takes the place of another (as when things get dangerous or difficult)
 - 3.a subordinate musical part; provides background for more important parts
 - 4.(computer science) a copy of a file or directory on a separate storage device
 - 5.the act of providing approval and support
 
网络释义
               - backup
 - 后备(替换,支持)球员; 支援; 备用设备; 备份 备份;
 
- Backup System
 - 备份系统; 后备系统; 辅助系统; 备用系统;
 
- Incremental Backup
 - 增量备份; 渐进式备份; 增量備份; 增量式备份;
 
- differential backup
 - 差异备份; 差分备份; 差量备份; 差异式备份;
 
- backup roll
 - 支承辊; 小支书撑辊; 背辊; 压辊;