Rational RequisitePro提供了用于将这一过程形式化的需求管理工具。
Rational RequisitePro provides the requirements management tooling necessary to formalize this process.
这是由于这样的一个事实，场景和需求之间的联系既没有用形式化进行表示，也没有任何工具支持。
This is due to the fact that the link between scenarios and requirements is neither formally expressed nor supported by any tools.
架构师应该能够自如地为相关的需求和满足这些需求而提出的体系结构创建不同程度的形式化规范。
An architect should be comfortable with creating more or less formal specifications of the requirements and the proposed architecture that meets them.
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