Acoustic Analysis Of Vowel Harmony Of Monggolian

This paper analysis the vowel harmony by means of Acoustic phonetics based on the chahar , bairin, buriyad and alsha dialect of monggolian .There are two major parts in this paper :In chapter one (comprises four parts ), mainly analysis the contradiction between composition of vowel of the chahar , bairin, buriyad and alsha dialect by means of Acoustic phonetics and classify the features by analysis the ditribution of vowel pictures.In chapter two, analysis the compared characteristic of vowel harmony throuph comparing the rely vowel of the chahar , bairin, buriyad and alsha dialect , then point out the weaking feastures of vowel harmony of above four dialects.