论述了实现这个体系结构的几个关键技术：产品数据管理、基于实例的设计、面向成本的设计、虚拟设计。
At last, several key enabling technologies, namely product data management, case based design, design for cost, virtual design and collaborative design are discussed in detail.
数据管理技术是挤压模cad系统中的关键技术之一。
Data management technology is one of key technology in the extrusion die CAD system.
阐述了数据统一表示、数据库结构及数据管理等关键技术。
Some key technique such as data express, database structure and data management is depicted.
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