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Why is it that we're never observing this, for example, why is it the table doesn't diffract as we bring it through the door?
那么为什么我们,从来观察不到它呢，举个例子，搬动一个桌子穿过门,它为什么不衍射呢？
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They did this in Bell Laboratories, and they found that, in fact, the electrons did diffract.
他们在贝尔实验室完成了这项工作，他们发现实际上，电子确实发生了衍射。
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Only by using wave-like properties as an explanation can you describe diffraction.
只能用类波特征来,解释和描述衍射。
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And the result is a diffraction pattern that produces a series of rings.
得到的衍射图案是,一系列光圈。
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And at first this was done by Davidson and Germer, and they were American scientists who tried diffracting electrons from a nickel crystal.
这个实验首先是由，美国科学家Davidson和Germer完成的,他们尝试从镍晶体中衍射电子。
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Electron diffraction was born. Electron.
电子衍射产生了。
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You remember this. Now, this is diffraction.
你们都在这里，记得吧，现在说到衍射了。
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But for now let's simply say that we have a diffraction which we know occurs only by wave-like behavior and it involves the use of x-rays. Why x-rays?
但现在让我们来简单假设一下,我们知道,只波才发生衍射,而且衍射涉及了X光的使用，为什么是X光？
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And there is a technique known as x-ray diffraction.
而且有种X光衍射的技术。
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