From the service model, a service specification artifact is an interface that describes the operations offered by a service.

在服务模型中，服务规范构件是一个接口，用来描述由某个服务提供的各项操作。

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This is extremely valuable information to the Technical Interface specification and Data Mappings team.

这对于接口技术规范和数据映射规范来讲是非常有用的信息。

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So a service specification is a kind of interface, but it adds quality of service information.

因此服务规范是一类接口，但它加入了服务质量信息。

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