If a disaster occurs, such as a flood, hurricane, or major system failure, the off-site backup assures that data can be recovered.

如果出现灾害，如洪水，飓风，或是系统瘫痪，那么外地备份就会保证数据可以得到还原。

youdao

If a seismic tsunami occurs in the area, it will cause a disaster and tremendously influence on the society and economy of Guangdong Province.

一旦发生地震海啸，将出现重大的灾害，并对广东省的社会和经济产生巨大的影响。

youdao

At the same time they have set up back-up data centres in other locations that can take over the activities at any time if a major disaster occurs.

同时，它们还在其它地点建立了后备数据中心，可以随时在重大空难发生时采取行动。

youdao

"Health and hospitals are basic areas of well being, lets say,that when a major disaster or a smaller disaster occurs, if you do not have health facilities that function and can respond to the needs you create yet another level of disaster,".

VOA: standard.2009.10.14