当确定钻孔地点后，我们就在那里竖起一个井架。

When is has been decided where we are going to drill, we put up at the surface an oil derrick.

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当确定组织结构时，必须考虑许多因素，不仅是架构。

There are many factors, not just architecture, which must be taken into account when defining organizational structure.

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当确定了失败进程后，您就可以着重故障诊断这个特定的进程了。

When the failing process has been determined, you can focus on troubleshooting that particular process.

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Shielding is the term that's used, it brings up a certain image in our mind, and even though that's not precisely what's going on, it's a very good way to visualize what we're trying to think about here.

它带给我们一个确定的画面，虽然那不够精确，但当我们尝试去考虑它的时候,它确实是一种很好,的形象化的方式。

麻省理工公开课 - 化学原理课程节选

Now, I'm not sure what kind of video we're talking about, and I'm not sure if the lecture will be the internet when we're all done. But nonetheless I'm gonna call this the next big thing-the video internet .

呃，我不确定我们要谈关于什么样的视频,我也不确定当这个讲座全部结束时,还是不是关于网络，但尽管如此,我还是要叫它为下一重大事件，网络视频。

麻省理工公开课 - 媒体、教育、市场课程节选

What constitutes an accent when you-- what is an accent in a given English word?

怎样确定一个重音呢？当你-,英文单词中的重音是什么？

耶鲁公开课 - 现代诗歌课程节选