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
- 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。 - This will include counts of blocks read from the rollback segment in order to roll back a block.
为了回滚一个块，这将包括从回滚段读取的块的数目。 - If you make a mistake, you can roll back to the copies that you create in this step.
如果您执行了错误操作，则可回滚到本步骤中创建的备份。 - 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。 - 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。 - As the waves roll back, more and more sand can be seen.
海浪退下时，露出的沙滩会越来越多。 - You can only roll back one version level at a time.
每次只能回滚一个版本级别。 - 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？ - 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。