Abstract：Partial scenarios are the requirements typically provided by different stakeholders according to their personal knowledge and the business functions they cared；while the result is that those descriptions of the requirements often have some limitations because different users have respective knowledge background and limited knowledge of the field only with their individual point of view．In this essay，systematic behavior is described by modal transition systems；in addition，the related knowledge of domain features is introduced and evolution of partial scenario is demonstrated accordingly，which help improve to meet the stakeholders’ requirements．Finally，the paper illustrates the effectiveness of the method through an example．
2010, Vol. 1 