Let's define a simple model for your card catalog.

下面让我们为您的卡片目录定义一个简单的模型。

youdao

The model shows an interface and an implementation for the catalog service. There are three operations here.

此模型显示了Catalog服务的接口和实现。

youdao

Figure 22 shows the sequence diagram for the ws response template pattern as applied to the Catalog Service Model.

图22显示了应用于Catalog服务模型时ws响应模板模式的序列关系图。

youdao

Some of them, like Mr. Lewis, have also been asked to model for the Jack Wills catalog.

WSJ: New Celebrity: the Clerk