You express knowledge about an article as assertions and represent the assertions in RDF/XML.

有关一篇文章的知识可以表达为断言，断言可以用 RDF/XML 格式表示。

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Secondly, the paper studied some general visualization methods to express knowledge. The studies include the form and the reference model of knowledge visualization.

其次研究了知识可视化表达的一般方法，主要从知识可视化的形式和可视化参考模型两个角度来讨论；

youdao

In today's world, what really counts is the ability to express oneself rather than technical competence or professional knowledge.

在当今世界，真正重要的是表达自己的能力，而不是技术能力或专业知识。

youdao

to express a lack of complete knowledge about the multitude of subjects.

它可以用来表达你对一些话题并不完全了解。

I don't know 课堂 - SpeakingMax英语口语达人

but also very non-affrontively, express a lack of complete knowledge

又不冒犯地表达对某事不完全清楚，

I don't know 课堂 - SpeakingMax英语口语达人

When they express that immense knowledge and understanding in meetings or sales presentations it is often mesmerizing to those in the room.

FORBES: Charisma. A Vital Skill to Develop.

Their knowledge and techniques express community identity, reinforce social bonds, and build stronger local, regional and national identities.

UNESCO: Culture

This new form of radio is an effective and economically feasible opportunity for young people to express themselves, to exhibit their knowledge, their interests and concerns.

UNESCO: Radio for Children