Most of what we do these days, our methods, our theories, our ideas, are shaped, to some extent, by Piaget's influence.
我们这些天所讲的,各种方法,理论,思想,它们的形成都在一定程度上,受到了皮亚杰的影响
Bisection methods were known to the ancient Greeks, and it is believed by many, even to the Babylonians.
二分法由古希腊人所发明,我以前也说过,一直到17世纪二分法都被。
And I would be able to simply bury away the details of how those other instances are created from how I want to use them by simply calling methods on the classes.
也就是一些线段的组合,我还可以把怎么实现那些,实例的细节包装起来,把它和调用实例分开来,我们下次还会接着讲这个。
And that's a wonderful thing to have because it gives you that modularity, that encapsulation that basically says, when I create a point, the only way I can get at the values, is by using one of the defined methods, in this case it could be Cartesian, Cartesian and get all the pieces of that.
这是很棒的一件事情,因为它让你有了,模块性以及封装性,这基本上也就是说,当我创建了一个点,我能够得到它的值的唯一的方式,就是用一个定义好的方法,在这个例子中也就是。
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