It elicits business requirement, user requirement, functional requirement hierarchically, and there is a requirement trace chain in the tool.
能够层次性的获取业务需求、用户需求和功能需求，并形成需求跟踪链。
It elicits business requirement, user requirement, functional requirement hierarchically, and there is a requirement trace chain in the tool.
能够层次性的获取业务需求、用户需求和功能需求，并形成需求跟踪链。
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