这与使软件国际化是类似的，更确切地说，您需要建立便于日后添加功能的基础架构。
This is analogous to enabling software for internationalization; that is, you build the infrastructure to facilitate the addition of functions later on.
为了便于使测试框架一般化，您应该使用变量对应那些值作为这些过滤节点的名称，并在中央位置设置这些变量的值。
To facilitate making the testing framework generic, you should use variables for such values as the names of these filtering nodes, and set the values of these variables in a central location.
利用下面的代换，便于使这个问题无量纲化。
It is convenient to nondimensionalize this problem with the following substitutions .
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