通过分析具体问题，抓住栈结构与栈元素材料的桥梁作用，从而写出迷宫问题的算法。

This paper, by analysing some specific problems, grasps the bridge of both stack structure and stack element, and obtains the related algorithm of the maze problems.

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为了更好地理解所有权关系的概念，可以将栈中栈数据结构与每个元素所拥有的对象结合起来。

To better understand the concept of ownership, look at the stack of stacks data structure together with objects owned by each element.

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过滤器还可以解决第二个问题——将每个对象关联到栈中栈数据结构中的一个元素。

You can solve the second issue — the ability to tie each object to an element in the stack of stacks data structure — with a filter as well.

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