Model design

The design model is an object model that illustrates the implementation of use cases and is an abstraction of the implementation model and its source code. The design model serves as the basic input for many implementation and testing activities. Usually, when designing a model, the attributes of the objects are basically merged into one model. In fact, when designing the model of this object, have we considered model granularity refinement? Although model granularity refinement will increase the cost of dimensions, it will also improve the flexibility of the system. The first condition is that the model granularity refinement must be rational.
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Model design

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The design model is an object model that illustrates the implementation of use cases and is an abstraction of the implementation model and its source code. The design model serves as the basic input for many implementation and testing activities. Usually, when designing a model, the attributes of the objects are basically merged into one model. In fact, when designing the model of this object, have we considered model granularity refinement? Although model granularity refinement will increase the cost of dimensions, it will also improve the flexibility of the system. The first condition is that the model granularity refinement must be rational.