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

• 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。
• 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。
• 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。
• 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。
• 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。
• More important, when should the transaction roll back the work?
  更重要的是，事务应何时回滚工作？
• 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。
• You can only roll back one version level at a time.
  每次只能回滚一个版本级别。
• You are able to roll back to previous versions if anything goes wrong in the current model.
  您可以回滚到以前的版本，如果当前的版本发生问题的话。
• 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。