This paper de-signs operation mode in e-stamp system on an analysis of service requirements basis.
论文在分析电子邮票系统业务需求的基础上，对其运行模式进行了设计。
The spiral requirement analysis mode is used for requirements analysis. The requirements analysis, requirements description and requirements verification is organized into RUP development process.
需求分析采用了螺旋式需求分析模型，将需求分析、需求描述和需求验证组织在系统迭代开发过程中。
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