a trip made by a repairman to visit the location of something in need of service

This time, the xform makes a Web service call to the retrieveFormData service, to retrieve the user data from DB2 as an XML instance and maps it to the xform.

这时，该xform 对retrieveFormData服务进行Web服务调用，从DB2检索XML实例形式的用户数据，并将其映射到xform。

The second, known as piggyback, doesn「t create any connections to the server. Instead, it waits until another DWR service call occurs and piggybacks pending events onto this request」s response.

第二种称为piggyback，这种机制并不创建任何到服务器的连接，相反，将一直等待直至发生另一个DWR服务，piggybacks使事件等待该请求的响应。

The callback informs the GWT application of whether the remote service call has been executed successfully.

回调告诉GWT应用程序远程服务调用是否成功地执行了。

If an event or service call needs to be logged, create a logging task at the beginning and end of each service where logging is required.

如果某个事件或服务需要被记录，可以在每个服务需要记录的起始和结束处创建一个日志任务。

For outbound processing, the resource adapter USES the business object to create an IDoc when a service call is made to the SAP server.

对于出站处理，在对SAP服务器进行服务调用时，资源适配器使用业务对象创建IDoc。

Frustrated you make a service call and figure out that this could have been prevented all along if you read the README file (see the next section).

受到挫折的您拨打一个服务电话，然后明白如果事先阅读了README文件(见下一小节)的话，这个问题本来是可以避免的。

Then you can construct a web service call based on the retrieved WSDL.

接下来您就可以根据检索到的WSDL构造Web服务调用。

If the service call to WebSphere MQ Workflow is made, then an additional step is required on the return.

如果调用了WebSphereMQWorkflow的服务调用，那么在返回上就需要附加步骤。

The rest of this article explains how these technologies interact so you can make sense of the underlying path, from service call to an invocation of a business method in an implementation.

本文余下的部分将解释这些技术如何交互，从而使您理解从服务调用到实现中的业务方法调用这一底层路径。

Logging can be performed in a collaboration using either a probe or a service call (to a database, for example).

日志可以通过使用探测或者服务调用来在协作中执行(比如对数据库)。

The Listing 1 code shows a synchronous service method call where the client thread blocks inside the service call and doesn't return until the call is completed and the results are available.

清单1中的代码显示了同步方法调用，其中的客户机线程将阻塞在服务调用内，在调用完成且结果可用之后才会返回。

To load the scorecard without refreshing the page, he developed a web service call using WCF that was placed from browser to server side web service.

为了在不刷新页面的前提下重新加载记分牌，他用WCF开发了一种web服务的调用，放置在浏览器和和服务器端的web服务之间。