简述了武器装备和产品型号作为情报检索标识在文献标引和检索中的作用;介绍了《国防科学技术叙词表 型号附表》中型号叙词的构词原则、选词原则、书写形式、叙词款目的设置及其排序规则。 The role of weapon equipment and product model as an index of information retrieval in the indexing and retrieval of documents is briefly described; the principle of word formation, the principle of word selection, and the form of writing of the model descriptors in the “National Defense Science and Technology Thesauri List Model Schedule” are introduced. The descriptive terms and their arrangement rules.