Zedtwitz, M.V., &Gassmann, O. 2002.Market versus technology driven in R&D internationalization: Four different patterns of managing research and development.Research policy, 31: 575.是什么意思_Zedtwitz, M.V., &Gassmann, O. 2002.Market versus technology driven in R&D internationalization: Four different patterns of managing research and development.Research policy, 31: 575.在线翻译_英语_读音_用法_例句