The principles and characteristics of the method are described in detail, i.e., the coupling of resonance enhanced multiphoton ionization (REMPI) with flight-of-time mass spectroscopy.

• 详细阐述了这种方法的原理，即激光紫外吸收光谱与飞行时间质谱的双重组合，并介绍了该方法的特色。