灾害恢复是当严重事故发生后，恢复系统和设施的计划措施。

Disaster recovery is the the act of planning for the restoration of systems and facilities after a major incident.

youdao

灾害恢复是当严重事故发生后，恢复系统和设施的计划措施。

Disaster recovery is the the act of planning for the restoration of systems and facilities after a major incident.

youdao