In the double layer OLED device,the structure of ITO/NPB(15 nm)/AlQ(x)/ Mg:Ag was prepared in the vacuum.是什么意思_In the double layer OLED device,the structure of ITO/NPB(15 nm)/AlQ(x)/ Mg:Ag was prepared in the vacuum.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句