The application problem for back roll has been resolved.
解决了支承辊的使用问题。
The development process for back roll in heavy and medium plate mill has been introduced in detail.
详细介绍了中厚板轧机支承辊的研制过程。
In its simpler form, the mechanism consists of a CAM operated lever to vibrate the back roll, called the whip roll.
比较简单的方式是机构中包括一个由凸轮控制的连杆，用以驱动后梁摆动。
The car began to roll back down the hill.
汽车开始倒着往山下滑。
One provision of the law was to roll back taxes to the 1975 level.
该法律的一项条款是把税收削减至1975年的水平。
Roll over and try the same exercise on your back.
翻身，背部做同样的运动。
I am thinking back now to when I first started listening to rock 'n' roll and I remember my father saying it was a bad influence on us.
我现在回想第一次听摇滚乐的时候，还记得父亲说它对我们有不好的影响。
You can't roll back the clock and remove all exotics or fix habitats.
你不能让时光倒流，消除所有外来物种或修复栖息地。
Roll back conditions (CGTT allows flexibility for this).
回滚条件(CGTT具有这方面的灵活性)。
In a write transaction, all changes must either all commit or all roll back.
在写事务中，所有的变更必须全部提交或者全部回滚。
Without such a backup, your only option is to roll back the entire cell.
如果没有此类备份，您的唯一选择将是回滚整个计算单元。
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 default action is to roll back after executing the stored procedure.
默认动作就是在执行存储过程之后进行回滚。
This feature lets you easily move between versions as needed; for example, to roll back should a deployment go badly.
这个特性允许您根据需要在版本间轻松移动；例如，在一个部署出现问题时回滚到上一版本。
MOM policies should be improved by adding safeguards that would roll back management operations when they do not produce expected results.
应当通过添加防范措施来提升MOM策略，当他们不能产生预期结果时，应该能回滚管理操作。
We need to do even better on the ground and engage with the broader Roll Back Malaria partnership.
我们需要在现场做得更好并与范围更广泛的遏制疟疾伙伴关系一起开展工作。
Only the transaction owner can roll back the transaction.
只有事务所有者才能回滚事务。
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 causes the transaction to complete (commit or roll back) faster than in the API Layer transaction strategy.
其结果是，事务会比在api层事务策略中更快地完成(提交或回滚)。
For demonstration purposes, the transfer operation is modified to roll back the transaction whenever the transfer amount is an even number.
出于演示的目的，我们将转帐操作修改为每当转帐金额是偶数时就回滚事务。
More important, when should the transaction roll back the work?
更重要的是，事务应何时回滚工作？
Either commit or roll back your transaction before resubmitting the request.
在重新提交请求之前要提交或回滚事务。
If either the database update or the MQ enqueuing fails, then the entire transaction should roll back.
无论是数据库更新或是MQ 队列产生错误，整个事务都应被取消。
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。
Today, in launching this global plan, WHO, together with Roll Back Malaria partners, is attempting to break this historical pattern.
今天在启动这一全球计划时，世卫组织与遏制疟疾伙伴们一起，正在努力打破这种历史格局。
So let me roll the clock back to medieval England.
所以，让我回溯到中世纪的英国。
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。
Collectively we have to work to roll back desertification in the North, erosion in the Southeast and deforestation in the SouthWest.
我们所有人都必须努力击退北部的沙漠化，东南的水土流失和西南的森林流失。
Collectively we have to work to roll back desertification in the North, erosion in the Southeast and deforestation in the SouthWest.
我们所有人都必须努力击退北部的沙漠化，东南的水土流失和西南的森林流失。
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