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一、功能定义 功能定义就是用简洁的语言表示VE对象的目的和效用。它是以功能为中心研究问题的基础。 1.功能定义的目的 (1)明确所要求的功能。VE活动的根本问题是摆脱以事物为中心的研究,转变为以功能为中心的研究。这是因为,用户所要求的是功能。如果对用户要求的功能没有搞清楚,即使是按照VE的工作计划进行活动,也不能使用户得到满足。因此,准确地搞清楚用户要求的功能,是VE活动取得成功的必要条件。
First, the function definition Function definition is to use a simple language to express the purpose and utility of the VE object. It is based on function-centered research questions. 1. Purpose of the function definition (1) Define the required function. The fundamental problem of VE activities is to get rid of the research centered on things and turn it into a function-centered study. This is because what the user wants is a function. If the function requested by the user is not clearly understood, even if the activity is performed according to the work plan of the VE, the user cannot be satisfied. Therefore, accurately identifying the functions required by users is a necessary condition for successful VE activities.