We first demonstrate the approach through a simple example, and then propose a structure of system artifacts based on formal levels of abstraction.
首先，我们会通过一个简单的示例演示此方法，然后提出一个基于正式抽象层次的系统产品的结构。
2
These two languages can coexist within the same application (and the same development team) quite happily, and with a high degree of abstraction and clean structure across the board.
这两种语言可以在同一个应用程序(以及同一支团队)中很好地共存，并且具有高度的抽象性和清晰的结构。
3
Security administrators can control access to their databases at a level of abstraction that is close to the structure of their organizations.