It ensures that any qualifying row read during a unit of work is not changed by other application processes until the unit of work completes.

这能确保一个工作单元内任何符合资格的行都不会被其他应用程序进程更改，直至该工作单元完成。

youdao

Without proper transaction isolation, other units of work can access updates made by an ongoing unit of work, even though that unit of work is incomplete.

没有适当的事务隔离性，其他工作单元就可以访问某一活动工作单元所做的更新，即使该工作单元还未完成。

youdao

The commit at the end of the unit of work cannot complete until all of the dirty pages involved in the unit of work have been written to disk.

在工作单元最后进行的提交，必须等到在此工作单元内涉及的所有脏页都被写到磁盘之后才能完成。

youdao

and a unit is generally 3 to 5 hours of work a week.

而且每门课通常是一周3到5个小时。

很好奇住宿生活 - SpeakingMax英语口语达人

Dr McGuire's report drew attention to the role of the "confidential unit" within the ombudsman's office and a lack of confidence among other staff in the work of this unit.

BBC: Justice Committee

This extreme density reduces, per a given unit of work, the datacenter size, energy consumption, complexity and cost.

FORBES: HP Moonshot: Say Goodbye to the Vanilla Server

And the logic works with servers as well as storage, as each device category continues to decrease in size, improve in capacity and performance, and reduce its power consumption per unit of work with each new generation.

FORBES: The Case for the Infinite Data Center