在第一种情况下会进行从更为抽象的软件服务模型的默认转换。
In the first case a default transformation is performed from the more abstract software services model.
您可以使用组件模型来提供遗留服务的抽象和对现有遗留资产进行再组合，特别是在组件模型支持语言中立性时尤为有用。
You can use component models to provide abstraction of legacy services and to re-engineer existing legacy assets, especially when the component model supports language neutrality.
架构上，组件通过一个抽象的服务模型(一个消息传递模型，位于任何特殊协议或消息编码之上的抽象层中)进行交互。
Architecturally, components interact via an abstract service model-a messaging model that resides at a level of abstraction above any particular protocol or message-encoding format.
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