其他IT工件，如服务模型、消息模型、对象模型和物理数据模型，可在语义上追溯到LDM，并常常由LDM直接转换。
Other IT artifacts, such as service models, message models, object models, and physical data models, can be traced to LDMs semantically and often are transformed directly from LDMs.
而良好设计的领域对象（well designed domain objects）定义的是一组基础对象，它们用于 语义数据模型、构建服务、以及在它们之间传递信息。
Well designed domain objects, on the other hand, define a set of foundational objects that can be used for semantic data models, building services and passing information between them.
通过这个实例可以看出，语义对象模型是一种建模能力很强，也是一种很接近用户的数据模型。
The example shows that the semantic object model is a kind of data model very capable of modeling and easily accessible to the user.
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