Creating a business model to capture the "as is" system can be a fairly quick task and can yield useful analysis clues that will simplify definition of the "to be" system.
创建一个业务模型以捕获“目前的”系统的情况可以是非常快速的任务并能够产生有用的分析线索，这些线索将简化对“将来的”系统的定义。
Each describes a different aspect of the system, such as the use-case model, the analysis model, and the design model.
每一个都描述了系统的不同方面，例如用例模型，分析模型以及设计模型。
An architect modeling an implementation of a system in UML will typically model at both an analysis and a design level.
架构师用uml进行系统实现建模典型的是在分析和设计的层面上进行的。
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