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论述机械产品的设计过程，分析产品信息的特点，这些信息中有些是复杂类型。针对复杂类型数据的特点，讨论其建模方法，并且可以用商用数据库管理系统管理产品数据。为了满足ＣＩＭＳＩ程的要求，需要开发面向对象的专用软件，这种专用软件能够有效地管理产品信息，并能成功地应用于工业领域。
Discusses the design process of mechanical products and analyzes the characteristics of product information. Some of these information are complex types. For the characteristics of complex types of data, discusses its modeling method, and can use commercial database management system to manage product data. In order to meet the requirements of the CIMSI process, it is necessary to develop object-oriented special software which can effectively manage the product information and can be successfully applied to the industrial field.