顺序图和状态图被用来描述系统组建的特征，本来提出一种基于顺序图和状态图的协调性模型，用来更好得保证系统的时间特性。-sequence map and the state plan to be used to describe the characteristics of the formation system, originally proposed a plan based on the order of the state plan and the coordination model, used to guarantee better in the time characteristics.