ZEDTWITZ V M,GASSMANN O.Market versus technology drive in R&D internationalization:four different patterns of managing research and development[J].Research Policy,2002 (3).

 
  • 李曉鐘;張小蒂.;江浙區域技術(shù)創(chuàng )新效率比較分析[J]
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan