The location attribute on the serviceDescription must contain the inquiry URL for a UDDI registry, when the serviceKey is specified.
如果指定 serviceKey，serviceDescription 上的 location 属性必须包含一个用于 UDDI 注册中心的查询 URL。
The Reference Ontology defines a GoalDescription as being formed from the same elements as a ServiceDescription: namely a CapabilityDescription and a set of Interfaces.
该参考本体论定义了目标描述，它由服务描述的同样元素来组成：即能力描述和一组接口。
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