事实上，这些代码都极具自我描述性。
XML具有清晰的结构及自我描述性，适合用来进行数据交换。
XML has clear framework and self-description, which makes it suitable for data exchange.
而且由于PDPEL基于XML格式，具有XML的优点，如：开放性、简单性、自我描述性、结构与内容分离和良好的可扩展性等。
The PDPEL is based on XML, so it includes the advantages of XML, such as: Openness, simplicity, self-descriptive, Separation of structure and content, and good scalability, and so on.
这次研究假定了自恋者比一般的用户会更多地参与所有的Facebook活动,并且他们参与的活动更多的是进行自我推销，无论是描述性的还是表面的推销。
The study postulated that narcissists would show more overall Facebook activity than average users and that their activity would be more self-promotional, either descriptively or superficially.
这次研究假定了自恋者比一般的用户会更多地参与所有的Facebook活动,并且他们参与的活动更多的是进行自我推销，无论是描述性的还是表面的推销。
The study postulated that narcissists would show more overall Facebook activity than average users and that their activity would be more self-promotional, either descriptively or superficially.
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