The reaction mechanisms of displacement reaction and epoxidation reaction during the synthesis of 5-oxatricyclo[7.4.1.03,7]tetradeca-1,3(7),8,10,12-pentaene have been studied by using ab initio molecular orbital theory and density functional theory(DFT).是什么意思_The reaction mechanisms of displacement reaction and epoxidation reaction during the synthesis of 5-oxatricyclo[7.4.1.03,7]tetradeca-1,3(7),8,10,12-pentaene have been studied by using ab initio molecular orbital theory and density functional theory(DFT).在线翻译_英语_读音_用法_例句