In this paper, preparing nanocrystalline carbon nitride thin films has been investigated by using Arc Discharge and dc Hollow Cathode Discharge (HCD).是什么意思_In this paper, preparing nanocrystalline carbon nitride thin films has been investigated by using Arc Discharge and dc Hollow Cathode Discharge (HCD).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句