Allow the user interface to remain responsive, while allocating time to background tasks.

允许使用者介面保持回应性，同时将时间分配给背景工作。

youdao

You might sometimes see messages that your user operations are blocked by the background tasks.

您有时可能会看到您的操作被后台任务阻断的消息。

youdao

Class is never declared in the markup of a page; it is strictly a worker object that performs background tasks.

类决不会在网页的标记中声明，严格地讲，它是一个执行后台任务的工作者对象。

youdao

One, the ability for me to designate which applications I want to run as background tasks.

ENGADGET: Entelligence: Mobile multitasking is mostly a myth

Likewise, the first software I download for any Android device is a task manager to kill background tasks and apps The reason is simple.

ENGADGET: Entelligence: Mobile multitasking is mostly a myth

For all the talk of wanting improved battery life, the limits of technology (and mangling background tasks in the Operating System) mean it is unlikely that current battery technology or programming techniques will lead to any significant increase in battery life in the current physical space given over to the battery.

FORBES: You Can Have It Thin Or You Can Have Battery Life In Your iPad Mini...Not Both