一个模式命名、抽象和确定了一个通用设计结构的主要方面，这些设计可能被用来构造可复用的面向对象设计。
A design pattern names, abstracts, and identifies the key aspects of a common design structure that make it useful for creating a reusable object-oriented design.
通过使用已经建立的模式，您将从通用的设计结构中获益，从而允许团队的其他开发人员了解代码的意图。
By using established patterns, you benefit from common design constructs that allow other developers on a team to understand your code's purpose.
UML提供了通用IT语言来描述体系结构和设计构件，许多开发工具集都是以标准框架为基础构建的。
UML provides for the common it language to describe architecture and design artifacts, while many of the development toolsets are built on top of a standard framework.
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