A Vacuum ultraviolet radiatien source with photon energy of 10.2 eV is used. The speed of the gas sampling pump is 0.51 L/min.是什么意思_A Vacuum ultraviolet radiatien source with photon energy of 10.2 eV is used. The speed of the gas sampling pump is 0.51 L/min.在线翻译_英语_读音_用法_例句