For example, if an activity in a workflow updates a database, the corresponding compensationaction reverses the update.
例如，如果工作流中的一个活动更新了数据库，那么相应的补偿操作将反转这个更新。
2
If the activity is to send an E-mail to a customer, then the compensationaction sends another E-mail to inform the customer that the previous E-mail is void.
Design idea of the cavity using two different metal material of about the same coefficient of expansion to improve self-compensationaction of the cavity is presented.