本文假设读者有这些方面的基础知识。
This article assumes readers have a basic knowledge of these areas.
编程细节是可选的；感兴趣的读者可以在本文的最后小节看到它们。
The programming details are optional; they are presented in the final section of this article for interested readers.
有不少主题会让本文读者感兴趣，但是仍然超出了本书范畴。
Quite a few subjects will interest readers of this article, but remain beyond its scope.
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