The object group includes information layer, target layer, function layer and hardware layer while the relation group includes coordination layer and execution layer.
对象类中包括信息层、目标层、功能层和硬件层，关系类中包括协调层和执行层。
In the New Object - group dialog box, you enter a name for the group, select the group type, and add a description.
在NewObject-Group对话框中，输入组名称，然后选择组类型并添加描述。
In the New Object - group dialog box, you enter a name for the group, select the group type, and add a description.
在NewObject-Group对话框中，输入组名称，然后选择组类型并添加描述。
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