1、東北大學碩士學位論文技術(shù)擴散都若干問題的研究姓名：楊艷春申請學位級別：碩士專業(yè)：管理科學與工程指導教師：趙希男2000.3.1ABSTRACTIngeneral，thediffusionprocessoftechnologicalinnovationbegansincethefil‘stcomlnercialapplicationofthistechnologicalinnovationandcontinuallycontactwith

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