The Obama administration's plan will replace Bush's anti-missile plan with a re-designed sea- and ground-based system, which destroys short and mid-range missiles instead of intercontinental missiles.

VOA: standard.2009.09.24

So it's not only augmenting materially what you're teaching, but also extends the range of what you can teach in these introductory courses.

所以这不仅仅是物质上的积累,你所教授的东西，更是在延伸,你能讲的内容,在这些入门课程中。

麻省理工公开课 - 媒体、教育、市场课程节选

So, our detection devices are a little bit limited here today, we're actually only going to be using our eyes, so that means that we need to stick with the visible range of the electromagnetic spectrum.

我们今天所有的探测仪器十分有限，实际上我们要用我们的眼睛来观测，这意味着我们只能看到,电磁谱中的可见光区间。

麻省理工公开课 - 化学原理课程节选

All right, so you're saying it compresses the range.

你说的意思是压缩范围

耶鲁公开课 - 博弈论课程节选

We can think about the Lyman series, which is 1 where n equals 1. We know that that's going to be a higher energy difference, so that means that we're going to be in the UV range.

我们可以来看看Lyman系,也就是n等于,我们知道它的能量差更大,所以它在紫外光区内。

麻省理工公开课 - 化学原理课程节选