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And really, all you're experiencing there is destructive interference in a very bad way.
我有的，实际上，你们感受的,相干相消的负面影响。
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The reason that we can talk about this is remember that we're talking about wave functions, we're talking about waves, so we can have constructive interference in which two different orbitals can constructively interfere, we can also have destructive interference.
我们可以这么说的原因是,记住我们说的是波函数，我们说的是波函数，所以我们可以得到相长干涉,这是两个不同轨道会相长干涉，我们也有相消干涉。
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We don't have a lot of supernatural interference in this story.
我们这个故事里看不到很多超自然的干扰。
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I just wanted to introduce those concepts because you've read about them; we'll be talking more about RNA interference in particular as we go on through the course.
我只是想简单介绍下这些概念,因为你们已经读过它了,随着课程的深入,我们将会讨论更多关于RNA干扰的内容
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When we were talking about constructive interference, we had more electron density in between the 2 nuclei.
当我们讨论相长干涉的时候，在两个原子核之间有更多的电子密度。
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So in this case where we're adding it together, this is going to be constructive interference.
在这个情况下，我们把它加在一起，这是相干干涉。
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And in either case if we first talk about constructive interference, what again we're going to see is that where these two orbitals come together, we're going to see increased wave function in that area, so we saw constructive interference.
在任何情况下,如果我们首先讨论相长干涉的话，我们同样会看到,当这两个轨道靠拢的时候，我们看到这个区域有波函数增加，所以我们看到的是相长干涉。
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In this case is it constructive or destructive interference?
在这种情况是相长干涉还是相消干涉？
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So in this case the cross term represents constructive interference between the two 1 s atomic wave functions.
在这种情况下交叉项代表两个,1s原子波函数的相干干涉。
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A newer version of this that works in a similar way but a different way is called RNA interference, and it turns out that this is a natural mechanism that cells have.
NA干扰是这类方法的新秀,它的原理与其大同小异,已经证实 这是细胞的自然机制
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In contrast, if we have destructive interference, what we're going to form is a sigma 2 s star, and what does the star designate?
相反，如果我们是相消干涉，我们会形成sigma2s星，星代表什么？
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