They are requirements elicitation, requirements analysis, requirements specification, requirements validation and requirements management.
它们分别是需求获取、需求分析、需求规格说明编写、需求验证、需求管理。
Research and Application of Use-Case Driven Analysis Method on Software Requirements Elicitation;
用例驱动技术从行为者的角度建立用例，旨在减少软件开发的复杂度。
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