[1]XIE Youbai. Some basic concepts in modern design theory[J]. Chinese Journal of Mechanical Engineering,2007,43(11):7-15(in Chinese).[谢友柏.现代设计理论中的若干基本概念[J].机械工程学报,2007,43(11):7-15.]
[2]ZAKARIAN A, KUSIAK A. Analysis of process models[J].IEEE Transactions on Electronics Packaging Manufacturing,2000,23(2):137-147.