UNIV THREE GORGES,DEPT PHYS,YICHANG 443000,PEOPLES R CHINA
; ACAD SINICA,GRAD SCH,BEIJING 100039,PEOPLES R CHINA
; INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA
A q-deformed boson-realization model is presented to study both stretching and bending vibrations of sulfur dioxide, where Fermi resonances are taken into account. Our results are compared with those of other models.