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）

计算机

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.
  1. 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。

双语例句

• 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。
• 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。
• 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。
• The RESTART DATABASE command uses active logs to roll back changes that are not yet committed.
  RESTARTDATABASE命令使用活动日志对尚未提交的更改进行回滚。
• Specifies when to roll back incomplete transactions when the database is transitioned from one state to another.
  指定当数据库从一种状态转换到另一种状态时，何时回滚未完成的事务。
• 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 logical-log records are used to roll back transactions, recover from system failures, and so on.
  逻辑日志记录用于事务回滚、系统故障恢复等等。
• If the device fails after updating the driver, roll back to the previously installed driver.
  如果该设备在更新驱动器时失败，请回滚到以前安装的驱动程序。
• 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。
• 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。