A message is an abstract definition of the data being communicated.
消息是被用来通信的数据的抽象定义。
An operation is an abstract definition of an action supported by the service.
操作是被服务支持的行为的抽象定义。
Finally, we'll build our definition for the abstract factory.
最后，我们将定义抽象工厂。
Finally, we'll build our definition for the abstract factory.
最后，我们将定义抽象工厂。
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