in the event that

基本解释

That property contains (can you guess?) an XML response in the event that the server chooses to respond with XML.
如果服务器选择使用 XML 响应则该属性包含（也许您已经猜到）XML 响应。
In the event that the amount of live data grows and the JVM needs to expand the heap beyond 4MB, it commits a bit more of the reserved area.
如果活动数据的数量增加，JVM 需要将堆的大小扩展到 4MB 之外，它就会提交稍微多一点的保留区域。
Senders of messages must be able to cache those messages in the event that an acknowledgement is not received and the message needs to be sent again.
万一没有接收到确认并且需要再次发送消息时，消息的发送方必须能够高速缓存那些消息。

The purpose was to see if the country's nineteen largest banks could survive losses in the event that the recession got even worse.
I also talked last time about smallpox and the perceived need to produce more smallpox vaccine in the event that smallpox is used as a weapon in 2002.
上次我也谈论过了天花,以及在二零零二年天花被当作武器使用时,制造出更多天花疫苗的必要性
耶鲁公开课 - 生物医学工程探索课程节选
There are even some military personnel now who get immunized against smallpox in the event that when they're going into areas, they might be exposed when they're in combat areas.
现在有些军人甚至已经接种天花疫苗,以使他们在战场上,免受天花病毒的威胁
耶鲁公开课 - 生物医学工程探索课程节选

In the event that there was a serious issue, Baumgartner still had a choice.
ENGADGET: Art Thompson, Red Bull Stratos' technical project director, talks circuit breakers, wind shear and biomedical data