UML的目标是以面向对象的方式来描述任何类型的系统。
The UML objective is to describe any kind of system in Object-Oriented diagrams.
本文首先描述了系统需求和产品目标，分析了系统设计策略。
This paper described the system requirement and the product targets first.
本文首先描述了系统需求和产品目标，分析了系统设计策略。
This paper described the system requirement and the product targets first.
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