After the pipe has been created (or if one already exists), each pipe's output is read into the recorded event variable for that window.

在创建了管道(或者如果已经存在一个管道)后，每个管道的输出将被读入到该窗口记录的事件变量中。

youdao

Especially, it sets up a global counter that counts the number of active event handlers as well as a variable that holds the results of the event handlers in a list.

尤其是，它将设置一个全局计数器，以对处于活动状态的事件处理程序进行计数；另外，还要设置一个变量，以在列表中保存事件处理程序的结果。

youdao

This creates a variable that is local to the event handler instance.

这将创建一个事件处理程序实例的局部变量。

youdao

In any event, it is the only variable over which he or she has some control.

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