In fact, you can substitute the base class for every node object, giving your whole application custom behaviors.

事实上，您可以置换每种节点对象的基类，从而能够定制整个应用程序的行为。

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For my real application, this bar contained a variety of child widgets to configure and interact with the application; for this tip, I will substitute a static collection of information.

对于我的实际应用程序，这个工具栏包含了各种子部件，可以对应用程序进行配置和交互；就这篇技巧而言，我将它替换为一个静态的信息集合。

youdao

JPDA implements the ability to substitute modified code in a running application.

JPDA实现了在运行的应用程序中替换经过修改的代码的功能。

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The idea of simply buying success and making money from nothing is one that they want to keep alive, but there is still no substitute for a targeted campaign working alongside a well designed application.

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