Figure 4 shows how we worked actors into our business model in Rose — specifically, in a use-case diagram associated with customer service that's an excerpt from our business use-case model.
图4显示了我们如何在Rose中将角色容入我们的业务模型当中—尤其是，在一个与客户服务相关的用例图中，这个用例图摘自我们的业务用例模型。
It also introduces "design patterns" and shows that they can emerge even in this stage by revealing that our package design is the Model-View_Controller pattern.
该书还介绍了“设计模式”，并且通过包设计是Model - View_Controller模式，说明设计模式可以在此阶段出现。
Now that we have designed our memory model, Figure 8 shows our updated system diagram with the memory areas marked.
至此，我们已经设计好了内存模型，图8展示了更新后的系统图，其中标出了存储区。
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