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本文研究后音节声母为唇(唇齿)音、舌尖音和舌根音而前音节韵母为开尾元音的普通话两音节间逆向协同发音问题。本文发现:除后音节声母对前音节元音尾有明显的逆向协同发音作用外,在后音节声母为唇辅音声母时,这个音节的韵母元音可以通过其声母对前音节韵母元音尾产生逆向协同发音影响;后音节声母对前音节元音尾的逆向协同发音作用,主要由后音节声母的不同发音部位引起;同一发音部位而不同发音方法的声母对元音尾没有显著影响。本文还给出了后音节对前音节元音尾作用的共振峰过渡的回归方程。
In this paper, the consonants of post-syllables are inverted consonant pronunciations between the two syllables of Mandarin (lip), tongue apex and tongue root, while the front syllable vowel is open-ended vowel. In this paper, it is found that, except for the after-syllables consonants, the vowel consonants of the former syllables have conspicuous reverse synergistic pronunciation, while the initial consonants of the latter syllables are the consonants of the lip consonants, the vowel vowel of the syllable can produce the vowel vowel of the preceding syllable by its initials Reverse synergetic pronunciation. The backward synergistic pronunciation of the first syllable vowel after the first syllable initial consonant is mainly caused by the different parts of the initial syllable consonant. The consonants of the same pronunciation part and different pronunciation methods have no significant influence on the vowel tail. This paper also gives the regression equation of the formant transition of the backward syllable on the vowel tails of the front syllables.