As an example, a natural language interface (NLI) having a limited subset of English to a specific expert system for database design (ERGTORS) is designed and implemented with TURBO PROLOG on IBM PC.

作为实例，为数据库设计专家系统(ERGTORS)设计了一个具有有限英语子集的自然语言接口(NLI)，并在IBM PC上用Turbo Prolog实现。

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