The second code block (lines 6-7) just passes the root element of the document off to the recursive modification method I'll get to in a moment.

第二个代码块(第6 - 7行)只是将文档的根元素传递给我马上要谈到的递归修改方法。

youdao

Your outermost XML element (that is, the root) is words so you create a words method.

最外面的XML元素(也就是“根”)是words，这样就创建了一个words方法。

youdao

The getAutomobilePolicy() method on the above instance of AutomobilePolicyDocument then gives a handle to the root element, automobile-policy.

上述 AutomobilePolicyDocument 实例的 getAutomobilePolicy() 方法可以提供根元素 automobile-policy 的句柄。

youdao

Remember, I said when we do a bisection method, we're assuming the answer lies somewhere between Well, what is the square root of a quarter? It is a half.

记住，我提过当我们用二分法的时候,我们假设答案处于,上边界和下边界之间,0。25的平方根是多少？,是0。5。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because at the root of this problem is the question of the scientific method itself.

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