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It's a spear that you thrust and it's got a bronze point, which is the business end of the weapon.
而是用来刺杀的近战武器,在刺人的一端有铜质的矛头
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c point You can see inside of it, it's got a set of definitions for things like functions.
我会把它简短的命名为，你可以看到类的里面,有一个对于函数之类的东西的定义集。
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That is, you've got a very key point; there was very little military training.
因为,你问到了点子上,当时几乎没有任何军事化的训练
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OK, now, if I actually do this, and I'm going to show you the example, I just, what did I type over there, I got p was a c point.
传入了其他的参数，好，现在，如果我，实际上要做这个的话，我要给大家看个例子。
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Well you know what a point is, it's got an x- and a y- coordinate, it's natural to think about those two things as belonging as a single entity.
把这两个坐标认为，是属于一个独立的实体，是理所当然的事情,因此实现这个目的的。
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Once I've got that, you notice I can now define a polar point, same way. Notice I've now solved one of my problems, which is, in each one of these cases here, I'm creating both x y and radius angle values inside of there.
你们注意到我现在可以，定义一个极坐标点了，以同样的方式,请注意到现在，我已经解决了我的问题之一了，也就是，在这些例子中的每一个,我在里面都创建了x，y值。
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