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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高层体系结构HLA是建模仿真领域的通用技术框架，以实现不同仿真系统之间的互操作。

As a common simulation architecture, the objective of the High Level architecture (HLA) is to facilitate interoperability among simulations and reuse of simulations.

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