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Construction Methods Research of Knowledge and Resource Database of Spade Punch Planter for Digital Design

To improve the speed and accuracy of case retrieval of spade punch planter for digital design, this paper analyzed the design process of spade punch planter, proposed a method to design knowledge representation based on object oriented theory, and elaborated the construction methods of knowledge and resource database which include multi-level case database, knowledge rules database based on association table and spare parts model database of three layer structure.