共 11 条
 
              [1]
            
             
            
                Boersma Paul., PRAAT DOING PHONETIC
              
              [3]
            
             
            
                 Jakobson R., 1961, PRELIMINARIES SPEECH
              
              [4]
            
             
            
                 Joos M., 1948, Acoustic phonetics
              
              [9]
            
             
            
                 Potter R.K., 1947, VISIBLE SPEECH
              

