backup

系统备份

The process of backing up the state of a computer system.

备份计算机系统状态的过程。

紧急备用

A backup system or resource intended for use in an emergency.

用于紧急情况的备用系统或资源。

磁带备份

A backup of data stored on a magnetic tape.

存储在磁带上的数据备份。

备用计划

A contingency plan to be used if the original plan fails.

如果原始计划失败，可以使用的替代计划。

备用系统

A secondary system that can take over if the primary system fails.

在主系统发生故障时可以接管的辅助系统。

备份副本

A duplicate of data, such as a file or disk, created for safekeeping.

尤其指计算机数据

备份文件

A file that is a copy of another, for use if the original is lost or damaged.

作为另一个文件副本的文件，用于在原文件丢失或损坏时使用。

备份服务

A service that provides data backup and recovery.

提供数据备份和恢复的服务。

备份盘

A disk (like a hard drive or CD) containing backup data.

包含数据副本的磁盘，用于在原始数据丢失或损坏时进行恢复。

伴唱歌手

A singer who provides vocal harmony with the lead vocalist.

为主唱提供和声的歌手。

备份磁带

A magnetic tape used for storing data backups, often for long-term archival.

用于存储数据备份的磁带，通常用于长期归档。

替补守门员

A substitute goalkeeper who plays if the main goalkeeper is unable to.

第二选择的守门员

后备角色

A secondary or supporting position.

次要或支持性职位。

伴奏乐手

A musician who plays in support of a lead musician or singer.

为主要表演者提供音乐支持的音乐家

伴唱

The act of providing vocal harmony; also known as backup vocals.

指支持主唱的歌唱部分。

备用设施

A secondary location or building used in case the primary one is unavailable.

在主设施不可用时使用的备用地点或建筑物。