Conceptual knowledge base includes two categories of knowledge elements, i. e. subject-related concepts and semantic relations among concepts.
概念知识库包含两类知识元素：与专业领域相关的概念，概念之间的语义关系。
Conceptual knowledge base includes two categories of knowledge elements, i. e. subject-related concepts and semantic relations among concepts.
概念知识库包含两类知识元素：与专业领域相关的概念，概念之间的语义关系。
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