对于门户项目的需求收集，重要的是明确地定义项目的范围，因为这将在很大程度上影响所选择的用户群体。
What is important about requirements gathering in a portal project is to clearly define the scope of the project in terms of how this will impact the chosen user community.
在软件项目中，需求是用户对项目团队陈述明确的期望。
In a software project, requirements are explicitly stated expectations that users place on the project team.
从用户的基本需求起步，经过数据分析、用例分析的逐步扩展，最终明确了功能需求和系统边界。
Based upon users' basic demands and with gradual expansion of data analysis and case analysis, the functional demand and the system border are finally defined.
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