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OK. So if we have variables, one of the questions we can ask is, what's the type of the variable.
好，如果我们有了一个变量，我们要问的问题之一就是，这个变量的类型是什么？
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I'm going to define a class, and in particular, what I'm going to do, is walk through what that says.
我们碰到了一个问题，这个问题就是，我们想要建立，一个抽象数据类型。
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The question of whether discriminant conditioning has been used with babies to explore what sort of concepts they have.
这个问题是,在探究婴儿拥有什么类型的概念时,是否对婴儿应用了判别式条件作用
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- >> Is there a data type for representing 1,024 bits or -- >> David: Good question.
>，有没有能表示1024位大小的数据类型或-,>>，大卫：好问题。
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So what I want to do today is look closely first at the selections from Black Boy that I asked you to read and to look at those as a text and to ask ourselves what kind of story it is.
它们细微的差别,我先读部分《黑孩子》,先前我布置给大家去阅读,并思考几个问题,我发现了什么,故事是什么类型。
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And so you get to build your own special purpose programming language that helped you solve your problems in biology or finance or whatever,
你读过的类型都可以,所以你就可以让编程语言按照你的,特殊用途去解决你的生物学,财务或者任何类型的问题，
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All right, the question is, as I started to say, is, "What are the right primitives?"
好了，就像我刚开始说的，问题在于，“什么才是正确的基本类型呢？“
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This is, like, sort of classic Computer Science 101-type question.
这就有几分像经典的计算机科学,101-类型问题。
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So one of the questions is, well, what are the right primitives to use?
因此问题之一是，好吧，要使用的正确基本类型是什么呢？
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If they're the same types, that's what matters.
如果它们是相同的类型，那就有点问题了。
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Not a problem because they're a different type.
那不是问题，因为他们是不同的类型。
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The order complexity here, if I actually write it would be-- sorry, order n times m, and if m was equal to n, that would be order n squared, and this is quadratic.
如果m等于n的话,也就是n的平方，这是一个平方复杂度的问题，这是和前面不同类型的，好，我在做什么呢？
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