创建一个模型项目。
Click OK to check out the model project.
点击OK以检出模型项目。
Create a model project, and add a model inside of that project.
创建一个模型项目，并添加该项目内的一个模型。
Create a new business model project with the attributes as shown in Figure 1 below.
用如下图1所示的属性新建业务模型项目。
Notice that there is new file in the Model Project called changes_log.xml.
注意在Model Project 中有一个叫做 changes_log.xml 的新文件。
Notice that there is new file in the Model Project called changes_log.xml.
注意在Model Project 中有一个叫做 changes_log.xml 的新文件。
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