将接收异步操作完成通知的。

That receives the notification of the asynchronous operation completion.

youdao

在异步操作完成或者事件触发的时候，就会调用方法并作为对该事件的反应。

When the asynchronous operation finishes or when the handled event takes place, a method gets called and executed as a reaction to the event.

youdao

在异步分离操作完成了分离后，可以看到分离的目标表已被归档、删除、或者附加到一些(其他)表上。

After the asynchronous detach operation has completed the detach, the target table of detach is available to be archived or dropped or attached to some (other) table.

youdao