You create an instance of the class and pass it to your asynchronous service method when you make your remote call, as seen in Listing 4.
当执行远程调用时，创建类的实例并将其传递给异步服务方法，如清单4所示。
The number of active users is 5.5 million in the last 30 days. Tango's peer-to-peer service is handling 2.5 million minutes worth of calls every day, and the average call is 4 minutes.
在过去的一个月里，Tango的活跃用户是550万，它的点对点(peer - to - peer)服务每天要处理250万分钟的通话，平均每次通话时间是4分钟。
I repeat the process in the third scenario of having the Retail ID Web service to call, load, and send a search request to the Retail Management System (see Figure 4).
我重复了第三个场景中的流程，调用并装载了零售商标识符的Web服务，并且向RetailManagementSystem(请见图4)发出搜索请求。
The survey is regarding the recent phone call that you, or someone in your household, made to Bank of America's customer service department on 10/4/2011.
这项调查是关于最近的电话，你，或有人在你的家庭，2011年10月4日对美国的客户服务部门的银行。
The survey is regarding the recent phone call that you, or someone in your household, made to Bank of America's customer service department on 10/4/2011.
这项调查是关于最近的电话，你，或有人在你的家庭，2011年10月4日对美国的客户服务部门的银行。
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