Reduce the number of variable references in your stylesheets.

减少样式表中变量引用的数量。

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For instance, you can set up a filter that modifies the output of all variable references in a certain way.

例如，您可以设置一个筛选器，以某种特定的方式修改所有变量引用的输出。

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Notice that there is an option to replace all occurrences of the selected expression with references to the new variable.

请注意，这里有一个将被选中表达式所有出现的地方都替换成新变量的引用的选项。

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