虽然这确实需要一些 XML 的基础知识（理解元素是什么以及文档的基本结构），但还是对程序员抽象了解析的细节。
While this does require some basic knowledge of XML -- understanding what an element is and the basic structure of the document -- it still abstracts details about parsing from the programmer.
XML文档的基本结构非常直观，特别是在您以前使用过HTML的情况下。
The basic structure of an XML document is very straightforward, especially if you have previously worked with HTML.
清单2显示了WSDL文档的基本组织结构。
Listing 2 shows the basic anatomical structure of a WSDL document.
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