But Newton's law is-- You see, you've got to go back and wipe out everything you know.
但牛顿定律是,如你所知的,你必须回到过去,忘掉你所知道的一切
And if I want to detach it, I just click and drag, and now I can go back and put different puzzle pieces there altogether.
另外,假如我想分离它,我只需要单击并拖动,然后就可以回到过去那个状态,再继续把不同的拼图放到一起。
All right. I want to return to some non-scalar types. So we've been looking, the last couple of lectures, at floating pointing numbers and integers.
好,我们现在回到一些,非基本类型的话题来,我们在过去的几节课里,一直在研究浮点数类型和integer类型。
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