单独代理 meaning in English

single agency

This specification allows a non - web service entity to create a publisher that creates messages and distributes them through a separate broker service called notificationbroker
：此规范允许非web服务实体建立一个发布者，此发布者会建立讯息，并透过一个名为notificationbroker的单独代理服务分发这些讯息。
If a non - web service entity is subscribed , the producing web service creates a publisher to distribute system error messages to the entity through a separate brokering web service that provides broker services
如果订阅了一个非web服务实体，则生产web服务会建立一个发布者，此发布者透过一个提供代理服务的单独代理web服务将系统错误讯息分发给这个实体。