Before you do that, you must learn about the concept of action scopes.

在你那样做之前，您必须先了解一下操作范围的概念。

Smart scopes were said to be easy to use.

智能示波器据说使用起来很简单。

In the scopes section, click View scopes.

在范围一节，点查看范围。

Work with the scopes of language elements.

了解语言元素的范围(scope)。

This is where handle scopes are very useful.

这就是为什么句柄范围非常有用。