[] ( DR) () (often used as an adjective 常用作形容词) the process of making sure that the computer systems of a business operate again as quickly as possible after a disaster such as a flood, a fire or an explosion, etc., and that as little data as possible is lost灾难复原（计算机系统在水灾、火灾或爆炸等之后迅速恢复运转的过程）◆It is essential to plan thoroughly for disaster recovery.对灾难复原进行周密计划十分重要。◆Every business needs to have a disaster recovery plan.每个企业都必须有灾难复原计划。◆disaster recovery services/software/systems灾难复原服务／软件／系统➡business continuity