A Study On The Evolution Of "Yin 阴" Finals Of Pinghua Dialect Of The Northern Guangxi

The article used takes Anaiysis of Historical Strata as the main method and the theoretical foundation, from a total of two hours, we focus the discussion on the phonetic evolvement of rhyme classes of"Guo果","Jia假","Xiao效","Liu流","Zhi止","Yu遇","Xie蟹"in Pinghua Dialect of the Northern Guangxi. We are then in the light of the history of Chinese speech some of the conclusions of the prostate to determine the jurisdiction of this level has rhyme, and outline how it evolves.The full text is divided into six parts:For the first part of the introduction, introducing the subject of research background, speech research of Pianghua Dialect the studies and theoretical methods and materials, and other sources.The second part focus on the disscussin of the evolvement of rhyme classes of"Guo果"and"Jia假". The combined nature of"Guo果","Jia假"is complicated in Ping Diarect in northern Guangxi.There are three reasons. (1)The retain of old Chinese phonology.(2) The pronunciation of"Guo果"varied specially.(3)The push of"Guo果","Jia假"and"Xie蟹". In addition,"Guo果"and"Jia假"dissipated seriously.It reflects that gradation of"Guo果"and"Jia假"is very complicated.They are becoming more fitting in the future. The second part focus on the disscussin of the evolvement of rhyme classes of"Xiao效"and"Liu流". The"Xiao效"and"Liu流"are combined in Ping Diarect of northern Guangxi. It's mainly for two great vowel-shifts in Ancient Chinese. In addition, some characters of"Xiao效"and"Liu流"in Ping Diarect of northern Guangxi varied specially. So the gradations are very special.The third part focus on the disscussin of the evolvement of rhyme classes of"Yu遇". Its evolution has its own specific changes have taken place with the other Yin finals. The latter is the main reason for its complexity.The forth part focus on the disscussin of the evolvement of rhyme classes of"Zhi止"and"Xie蟹". The"Yidengyun"and"Erdengyun"were still able to distinguish between. The reason is diverse.The main is that different stratas integration in a dialect."Sandengyun"and"Sidengyun"changed together with"Zhi止"since they merger.The sixth part is the conclusion.