Along with the service model, service Specification produces logical descriptions of the system components that realize services.
与服务模型一样，服务规范产生实现这些服务的系统组件的逻辑描述。
2
A service specification is a logical grouping of service operations.
服务规范是一个针对服务操作的逻辑分组。
3
The specification is the precise term in the context of defining reusable services for the enterprise (logical) or publishing services in the registry (physical).