Here is a simple example of how this works, along with some XML code showing some of the new V3 SOAP messages.

这里是一个说明订阅的工作原理的简单示例，还有一些说明一些新的V3 SOAP消息的XML代码。

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Also examine the SOAP envelope to verify that the Web service in fact works.

也可以检查SOAP信封来检验Web服务是否真正在工作。

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To better understand how WSDL works, I will first describe how SOAP and HTTP work with WSDL.

为更好理解WSDL是如何工作的，我将首先描述SOAP和HTTP是如何使用WSDL工作的。

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