某类回调是在响应完成后执行的。

Some kind of callback is executed after the response is complete.

youdao

通常在搜索后执行。

Usually performed after a search.

youdao

它们分别在测试开始前和结束后执行。

They are each run once at the beginning and end of each test.

youdao

So at this point in the story, we're not gonna forge ahead to here or to here, or the last two lines.

那么这时，我们并不能继续执行,这行或这行，或者说后两行的指令。

哈佛公开课 - 计算机科学课程节选

It was a beginning, but it didn't take because they had technical problems.

但是当时政策成型后并没有执行,因为那时存在技术上的一些问题。

耶鲁公开课 - 金融市场课程节选

Some proteins can be switched from an 'off' position where they don't do anything to an 'on' position where they now do something by only a chemical reaction like this where a phosphorous is added.

一些蛋白质可以从关闭状态的,无所作为,到成为开启状态后,执行某种功能,中间只发生了一个引入磷酸基的化学反应

耶鲁公开课 - 生物医学工程探索课程节选