可以对会话变量做任何你想要的处理。
同样，它可以使用更复杂的代码处理多个变量。
Similarly, it can process multiple variables using more complex code.
遗留方法：变量处理方式。
所有的局部变量将在之后处理。
最后，但这并非不重要，我们来看看怎么处理相关变量。
And finally, last but not least, we have seen how to deal with non-independent variables.
如何处理包含变量的消息？
变量 $current将始终保持当前比特值 (我们处理过的最后一比特)。
The variable $current will always have the current bit (the last one we examined).
这将创建一个事件处理程序实例的局部变量。
This creates a variable that is local to the event handler instance.
此批处理文件需要设置WORKSPACE环境变量。
This batch file requires the WORKSPACE environment variable to be set.
获取变量的名字在其处理发生异常？
Getting the name of the variable during whose processing an exception has occurred?
异常处理，即使是个布尔变量，也会产生‘其它’，你可以不使用它。
'others' as a exception process, you can either use it or not.
中断处理程序经常负责更新一些在主程序中被查询的变量的值。
Interrupt service routines often set variables that are tested in main line code.
中断处理程序经常负责更新一些在主程序中被查询的变量的值。
Interrupt service routines often set variables that are tested in main line code.
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