根据开发环境以及所实现应用程序的目的，对象的实现形式也有所不同。

The object can vary in implementation depending on the development environment as well as the intention of an implemented application.

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它提供了一个开发和测试环境，您可以用来构建数据库对象和应用程序。

It provides a development and testing environment you can use to build database objects and applications.

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还需要的是一个知道所有控件及验证GUI控件对象方法的集成开发环境。

Also required is an integrated development environment that is aware of all of the ways that the GUI control objects can be manipulated and verified.

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