The knowledge representation and knowledge base of expert system for the design of lock filling and emptying system are introduced briefly.

介绍了船闸输水设计专家系统中的知识表示方法和知识库的组成。

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Next year, Professor John Oxford, an expert in virology from Queen Mary's School of Medicine and Dentistry, in London, will lock volunteers in a hotel for a week, deliberately infect some with the flu virus, and wait to see what happens.

BBC: Colds and flu remain mysterious