roll back
英 [rəʊl bæk]
美 [roʊl bæk]
逐渐减少; 逐步结束; 降低，削减（价格、税收、收益等）
柯林斯词典
- See also:Environmentalists regard these moves as the government taking advantage of the national mood to roll back protective measures...Most major political reforms of the past five years would be rolled back.rollback
- PHRASAL VERB 降低，削减（价格、税收、收益等）
Toroll backprices, taxes, or benefits means to reduce them.- One provision of the law was to roll back taxes to the 1975 level.
这部法律其中一项条款是将税收降低到1975年的水平。
- One provision of the law was to roll back taxes to the 1975 level.
双语例句
- The original file system must be unmounted before executing the roll back.
在执行回滚之前，必须卸载原始文件系统。 - In this case, the RM generally does most of the work to commit or roll back the transaction.
在这种情况下，RM通常执行提交或回滚事务所需的大部分工作。 - You can even change the value of a field, or delete or insert an entire row on this page, and then commit or roll back the changes that you have made!
还可以更改字段的值，或在该页面中删除或插入整行，然后提交或回滚恢复所进行的更改！ - If desired, you can roll back to the prior state simply by clicking a button.
如果需要的话，您只需单击按钮就可以回滚到先前的状态。 - President Bush says he will not allow legislators to roll back limits on stem cell research he set in2001.
布什总统表示他不会允许国会议员们取消他在2001年对干细胞研究所做的限制。 - Versioning helps comparing different versions of the schema and the developer can roll back and forth the changes performed.
版本控制有助于比较schema的不同版本，开发者可以对已进行的变更进行回退和重做处理。 - You can use this backup if you have to roll back your changes.
如果必须回滚所做的更改，您可以使用此备份。 - More important, when should the transaction roll back the work?
更重要的是，事务应何时回滚工作？ - You can only roll back one version level at a time.
每次只能回滚一个版本级别。 - In a later step, you are shown how to roll back to the error-free version of the file.
在后面的步骤中，将向您演示如何回滚到该文件无错误的版本。