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？

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?

youdao

现在我们知道有个删剪片段，那片段里我们看见他把光剑做好了，但是我们没有解释他从哪里得到的水晶，我们没有解释他是怎么搞到那些零件的。

Now we know there was a deleted scene where we see him finishing it, but we don't explain where he got the crystal, we don't explain how he got the parts.

youdao