This setting displays a visual indicator on the iPhone UI that there is network activity in progress.

如此设置就可以在 iPhone UI 上显示一个可见的指示器，表示有网络活动正在进行。

youdao

This is still a work in progress, but the degree of activity and experimentation provides cause for optimism.

这项工作仍在进行当中，但是其活动和尝试的程度还是让我们有了乐观的理由。

youdao

Interruption allows a cancelable activity to clean up any work in progress, restore invariants, notify other activities of the cancellation, and then terminate.

中断允许一个可取消活动来清理正在进行的工作，恢复不变量，通知其他活动它要被取消，然后才终止。

youdao

My paintings and installations are mostly about the bycatch of human activity and the race for technological progress in combination with the human error that surrounds this progress.

FORBES: A Dead Cat Flies. But Is It Art?

The call for service that the officer responded to was what could be considered a burglary in progress or some suspicious activity, and in most cases when an individual is able to present proof that they, in fact, live in the house, the call is resolved fairly quickly.

NPR: Black And Blue: Police And Minorities

There was limited growth in activity in October, which has been attributed to progress with outstanding business rather than gaining new work.

BBC: Scottish bank notes