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在化学数据库和计算机辅助化学设计的人工智能系统研究中,首先遇到的都是化学结构知识表示问题。近年来,知识表示的理论与技术已成为人工智能研究中最活跃的课题。化学结构知识的表示主要分为机外表示与机内表示。前者指以合适的方法将有机化学结构图编成线型式输给计算机,后者要研究化学结构图知识在机内存贮的数据结构。这就
In the research of artificial intelligence systems for chemical databases and computer aided chemical design, the first problem encountered is the representation of chemical structure knowledge. In recent years, the theory and technology of knowledge representation have become the most active topics in artificial intelligence research. The representation of chemical structure knowledge is mainly divided into machine exterior and machine interior. The former refers to the appropriate method of organic chemical structure diagram compiled into a line type to the computer, the latter to study the knowledge of the chemical structure of the data stored in the machine structure. This is