没有归档、备份、恢复或灾难恢复的过程和机制。

No procedures or mechanisms for archiving, backup, restore, or disaster recovery exist.

youdao

在设置测试环境或灾难恢复站点时，这是常有的需求。

This is a quite common requirement for setting up a test environment or a disaster-recovery site.

youdao

这些基本需求也必须在发生紧急情况或灾难时得到满足。

These essential needs must also be met when emergencies or disasters occur.

youdao

Contrast his images of joyous or demonic assent with the images of catastrophe, of descent, of collapse in Eliot, "London Bridge is falling down."

对比他关于喜悦或着迷的描写,这些都是和灾难，对衰退的描写，或者艾略特描写的崩塌“伦敦桥在倒塌“，相一致的“

耶鲁公开课 - 现代诗歌课程节选