In model-based design (MBD) approach, model remains the primary artifact around which revolves the entire development process. Refining the model is a continuing quest for a developer till it’s ready ...

a：当过渡线交叉时，很难理解状态之间的关系。 b 当过渡线重叠时，很难理解状态之间的关系。 c 当过渡线跨越状态时，很难 ...