从理论上讨论了分类法与主题法的异同以及分类与主题逻辑组合进行文献检索的可行性。
The difference between the methods of classification and subject is analysed. The feasibility of logical combining classification with subject in information retrieval is theoretically discussed.
《中图法》只提供分类检索途径，《冒号分类法》既可从分类途径又可从主题途径进行检索。
The Chinese Library Classification can only provide classification retrieving while the Colon classification can be used to retrieve both by classification and by theme.
《中图法》只提供分类检索途径，《冒号分类法》既可从分类途径又可从主题途径进行检索。
The Chinese Library Classification can only provide classification retrieving while the Colon classification can be used to retrieve both by classification and by theme.
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