Now let's think about designing the experiment itself. The goal here, there are two goals. Or more than two.
那么现在让我们来想想,怎么设计实验本身吧,这里有两个目标,或者多于两个目标。
He was here in the 70s. My dad was also a student here so you know, traditions, so.
0年代的时候他在这里上学。我父亲当时也是这里的学生。现在我也在这儿上学,看出来了吧,这都成了家族传统。
You remember this. Now, this is diffraction.
你们都在这里,记得吧,现在说到衍射了。
Right, now are there people here that have not had chickenpox, right?
好,现在这里的人,有人没得过水痘,是吧
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