A service requestor is a Network node that discovers and invokes other software services to provide a business solution.
服务请求者是一个网络节点，它发现并调用其它的软件服务来提供商业解决方案。
And the service requestor finds required services via the service broker and binds the services via the service provider.
而服务请求者则通过服务中介者查找所需的服务并通过服务提供者绑定到服务。
The requestor application invokes services offered by one or more provider applications by sending request messages and processing response messages.
一个或多个提供者应用程序通过发送请求消息并处理响应消息来提供服务，请求者应用程序调用这些服务。
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