These include both the syntactic and the operational (quality of service) characteristics in a service specification.
非语义特征包括服务规范中的句法和操作（服务质量）特征。
The syntactic characteristics offered by the provider need not satisfy those in the service specification, since the mediation acts as an intermediary.
提供者提供的句法特征不必满足服务规范中的句法特征，因为有中介作为媒介。
The syntactic characteristics offered by the provider must satisfy those in the service specification, and.
提供者提供的句法特征必须符合服务规范中的句法特征。
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