说明：  Delphi多线程详解-编写多线程应用程序教程，是从一本Delphi专业书籍中摘录中的关于多线程编程的一个章节
(Detailed explanation of Delphi multithreading-writing a multithreaded application tutorial, is a chapter on multithreaded programming in an excerpt from a Delphi professional book)