This paper provides a very fast and efficient method in detection of PCB board. At the same time , it takes great efforts to explain the principle of the method and how it works.

该文主要介绍了一种在PCB检测中快速有效的算法，并且详细介绍了其原理，以及具体实现，并做了评估。

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You can begin to work with the content at the beginning before you see the content at the end. This makes it very fast, very efficient, and very parsimonious with memory.

在文档后面的内容编译完成之前，可以先处理已编译好的文档前面的内容,从而实现非常快速、非常高效、非常节省地使用内存。

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As I said, binary trees are a very efficient and fast way of sorting.

正如我所说，二叉树排序是一种非常有效且快速的方法。

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