And that's going to be valuable to me when I want to get back to using these things, right?
时髦的东西,这代表了它的种类是,笛卡尔坐标?
It's just a placeholder that says I don't yet know what I wanna put here but I wanna put something, let me get back to you in just a moment.
它只是一个占位符,告诉电脑,我想在这放一个东西,但是暂时还不知道放什么东西,我先打断一下。
I going to come back in a second to how it actually does that, but it basically says, get me x value for p 1, get me the x value for p 2, compare them, just as you would normally.
是一个类的实例,我要去取的这个实例,所关联的x值,我稍后会讲讲实际上,这里是怎么实现的,但是基本上它的意思就是,给我p1的x值。
And so do these three things, if you don't get an "A" then you can come back and talk to me about it later.
并且如果你做到了这三点,而没有得A的话,你可以在出成绩以后过来找我
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