And then we'll talk about how you can build something to replace a complicated small part in the body like that.
然后我们再讨论工程师们如何构建,能够取代体内如此精细小巧器官的东西
Last time we worked through this idea of the scale and how you can build triads on each of the members of the scale.
上节课我们已经讨论过音阶中的这个概念,以及你们怎样才能在音阶的各个音上组建起三和弦。
we can run the engine backward and build a refrigerator, if you've got your lecture notes from last period your 8-9, well, they're labeled 8-9 lecture notes, I made an attempt to define something which was a little bit misguided.
现在我们可以把热机倒过来,制作一台制冷机,如果你们拿出上节课的笔记,也就是8-9节,好的,他们在8-9节,当时我试着,定义了一些,有些误导你们的物理量。
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