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
- From the installation packages list, select the package that you want to roll back.
在安装软件包列表中，选择您想要回滚的软件包。 - 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。 - Before issuing the COMMIT, you could roll back the work using the ROLLBACK statement.
在发出COMMIT之前，可以使用ROLLBACK语句回滚工作。 - I actually did have to roll back the server migration from my first example because of time.
对于第一个示例，由于时间的原因，我实际上不得不回退了服务器迁移操作。 - The developer must specify where and when to roll back a transaction when a checked exception occurs.
开发人员必须指定出现异常时在何处以及何时回滚事务。 - 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。 - 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！ - More important, when should the transaction roll back the work?
更重要的是，事务应何时回滚工作？ - 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 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。