CModelManager作为CDT的模型工厂，通过创建CModel对象开始运转。
The CModelManager serves as the CDT model's factory and begins operation by creating the CModel object.
然后他们把这些石膏模型运到帝国各地的工厂，而后以大理石或青铜为材进行复刻。
Then they shipped these plaster casts to workshops all over the empire, where they were replicated in marble or bronze.
回顾：首先，您定义模型对象来表示资源适配器和连接工厂。
To review: First, you define model objects to represent resource adapters and connection factories.
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