The design idea and the implementation technique of the knowledge acquisition system is put forward based on OPS83, meanwhile the technique of knowledge base maintenance is realized.
根据OPS83的语法要求，提出了基于OPS83专家系统的知识获取系统的设计思想及实现技术，同时实现了知识库的自动维护方法。
The acquisition of knowledge from natural language text is a very important application of NLP. This technique has great prospect because it can help people search and acquire knowledge efficiently.
从各种自然语言文本中获取知识是自然语言处理技术的重要应用，能有效地帮助人们搜索、获取知识，具有较大的应用前景。
On the basis of introducing the rough set theory, the method and technique of fault diagnostic knowledge acquisition based on rough set is discussed.
介绍了粗糙集理论用于诊断知识获取的理论基础，阐述了基于粗糙集理论的故障诊断知识自动获取的方法和技术。
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