An application program defines the start and end of a global transaction, accesses resources within transaction boundaries, and usually decides whether to commit or roll back each transaction.

应用程序对全局事务的开始和结束进行了定义，在事务界限内获取资源，并且通常决定是否提交或回滚每个事务。

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Berman says the legislation would be only one point of pressure on Iran to roll back its uranium-enrichment program, which the United States believes is aimed at producing a nuclear weapon.

VOA: standard.2009.10.28

wants to roll back Pakistan's nuclear program."

VOA: standard.2010.07.08