This technique might be required for applications or libraries that do their own form of thread pooling and thread dispatching.

执行自身形式的线程入池和线程调度的应用程序或库可能需要这种技术。

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Each application server would then perform its own dispatching within itself, using its own dispatcher thread.

然后，每个应用程序服务器都将使用自己的调度程序线程在其内执行自己的分派。

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This thread is very important because it is in charge of dispatching events to the appropriate user interface widgets, including drawing events.

主线程非常重要，因为它负责把事件分发给相应的用户界面widget——包括屏幕绘图事件。

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