From a transformation point of view, this service specification maps to a WSDL port type, which at this time is an uninteresting port type because it has no operations or messages so far.

以转换的观点，此服务规范映射到WSDL端口类型，此时这是一个无趣的端口，因为到目前为止还没有操作或消息。

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Thus, the original SOAP specification had to provide a way of encoding type information along with the parameters being sent for method calls because there was no accepted way of specifying it.

因此，原始的SOAP规范必须与方法调用时发送的参数一起提供一种方法来指明编码类型信息，因为没有已接受的方法来指定它。

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