In the SOAP world, polling is less common as a client typically receives requests from the producer of events.
在SOAP领域，轮询不太常用，因为客户端通常接收来自事件生产者的请求。
A common means of embedding binary information in a SOAP request is to apply BASE64 encoding to the information, rendering it XML compatible.
在SOAP请求中嵌入二进制信息的通常做法是对信息进行BASE64编码，使它能兼容xml。
The other encoding that is most common is not truly an encoding by SOAP terms.
另一种很常用的编码按soap术语来说并非真正的编码。
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