Undo操作是多级的并且增加了可以执行撤销操作的次数。
Undo operations are multi-level and expand the number of operations that can be undone.
当一个ca撤销一个证书时，撤销操作被发布给CRL。
When a ca revokes a certificate, the action is published to a CRL.
如果你不满意，你可以提交更改——或——撤销操作，并重新开始。
If you're satisfied, you can commit the changes - OR - undo the operations and start over.
如果需要撤销操作，那么必须擦除整个块(将所有数据重置回状态1)。
If the reverse operation is needed, then the block must be erased (to reset all bits to the one state).
当然，如果程序自信地做了用户不乐意的事，必须有能力执行撤销操作，程序行为的每个方面都必须是可撤销的。
Of course, if an application confidently does something that a user doesn't like, it must have the capability to reverse the operation. Every aspect of the program's action must be undoable.
如果您决定撤销操作，可以使用GParted的undo功能或者不应用您的更改直接从程序退出，那么您的磁盘将未有任何变化。
If you decide against an operation, you can use GParted's undo feature or exit from the program without applying your changes. Your disk is then unchanged.
您将会理解软件从一个状态转到另一个状态的方式，而且（非常重要），如果您可以定义某个操作，那么同样可以追踪并撤销它。
You will understand the ways in which the software will get from any state to another state, and (very importantly) if you can define every operation, then you can track and undo it as well.
也许会通过应用程序的代码在数据库更新失败的时候“撤销”对队列的操作。
Perhaps the application code will try to "undo" the queue operation if the database update fails.
事务通过撤销所有潜在的不完整操作来保护数据库中的数据完整性。
A transaction protects data integrity in your database by undoing any potentially incomplete operations.
他认为从统计学角度来看，应用程序应该有着很好的正确率，它要做的是为用户提供一个撤销他们操作的选项。
He feels that applications should do what statistically has a good chance of being correct but provide users with an option to undo their actions.
因为指定可撤销的操作是一个常见需求，所以这个语法变得很重要。
Because specifying undoable operations is such a common need, the syntax becomes important.
因为您不能够撤销在控制台上写入的信息，所以对第一个服务不进行任何操作。
Since you cannot undo writing a message to the console, nothing was done for the first service.
要使用补偿处理器，合作伙伴需要为每个“做”操作提供一个相应的“撤销”操作。
To enable compensation handlers, partners need to provide an undo operation for every "do" operation.
作用域的故障处理程序可能使用补偿处理程序来撤销这个作用域中进行的操作。
A fault handler of a scope may make use of compensation handlers to undo actions performed within that scope.
所有这些可能需要撤销在作用域中已完成的操作。
All of this might require undoing actions that have already been completed within the scope.
它允许在包括的活动完成后释放锁，但您必须运行补偿逻辑来撤销已完成的操作。
This allows releasing locks once an enclosed activity completes, but one has to run compensation logic to undo already completed actions.
这个回滚将撤销在设置 neworder 保存点之后执行的所有操作。
This rollback undoes all the operations that were performed after the neworder savepoint was set.
对于编辑操作的无限制撤销和还原
使SaaS更像一个本地桌面应用程序的一个巨大改进是文本编辑时标准的键盘和鼠标操作，比如剪切、复制、粘贴和撤销。
One huge improvement that makes SaaS feel more like a local desktop application is standard keyboard and mouse gestures for editing text, including cut, copy, paste, and undo.
WireframeSketcher具有所有的习惯操作方法例如复制、粘贴以及无穷的撤销重做。
WireframeSketcher has all the usual editor functionality such as copy&paste and an infinite undo-redo.
撤销已完成活动的所需操作被称为补偿处理程序(compensation handler)。
The actions required to undo already completed activities are called compensation handlers.
假如您不小心写错或者画错了某些东东，您可以用常见的ctrl+z快捷键来撤销先前的操作步骤；用退格键可以移去您在页面上所作的注释。
If you make a mistake, you can use the usual keyboard shortcuts -- ctrl+z will undo your previous action while the backspace key will remove the element from the page.
将请求压缩为对象，使您能用不同的请求，队列或日志请求，参数化客户机，并支持可撤销的操作。
Encapsulate a request as an object, thereby letting you parameterize clients with different requests, queue or log requests, and support undoable operations.
操作系统将增加撤销手势，用户只需震动一下手机就可以撤销最后一步操作。
The operating system will also feature an undo gesture, which will undo the last action by shaking the phone.
对于一个过程，更改操作相当于撤销并重新创建。
For a procedure, an alter action is equivalent to a drop and re-create.
然而很多操作伪装成防撤销的，但其实很容易恢复。
Many operations, however, masquerade as Undo - proof, but they are really easily reversible.
AIXPert 中的Undo选项 (aixpert-u) 可以撤销使用 AIXPert 做的安全更改，但是有几种操作不能撤销。
The Undo option in AIXPert (aixpert -u) reverses the security changes made using AIXPert, but there are a few actions that you can't undo.
如果用户撤销了一个删除操作，那么用于表示被恢复对象而重新创建的EditPart与原先的EditPart是不同的。
If the user undoes a delete, it is a different EditPart that is recreated to represent the restored object.
如果决定绕过AIXPert，自己控制一些设置，就不会在undo . xml文件中写入undo操作规则，所以AIXPert无法撤销它们。
If you decide to bypass AIXPert and lock down some Settings yourself, the undo action rules don't get written to that undo.xml file, so AIXPert can't back them out.
如果决定绕过AIXPert，自己控制一些设置，就不会在undo . xml文件中写入undo操作规则，所以AIXPert无法撤销它们。
If you decide to bypass AIXPert and lock down some Settings yourself, the undo action rules don't get written to that undo.xml file, so AIXPert can't back them out.
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