Entering this book is a character voice in Beijing, then the history of the evolution of a study.
Middle Chinese entering tone of voice systems is an important part. Entering the development and changes, the pronunciation is the history of Chinese an important aspect of voice, word pronunciation Entering dialect phonological description is an integral aspect when. For example, in modern Chinese Mandarin dialect of the internal division of the district is entering tone words in order to merge as a standard. However, a striking phenomenon is that the entering tone words in money into the word in Mandarin in Beijing, the merging, but nothing like it in other areas as Mandarin can appear regularly; In addition to the words to the tune-ching No one outside the law is that Beijing has been so stuck in the dang Jiang Tong intake five vowel sound of the word has a different systematic reading of the text white. The book that is focused on a study of these phenomena.
Entering on the Beijing dialect pronunciation of the word to carry out historical research, with a wide range of meanings: (1) Tone, the pronunciation of the historical research, contribute to deeper understanding of the history of Beijing dialect voice, but also help to enhance people's remarks in Beijing today voice phenomena; (2) Beijing dialect of Mandarin is the representative of Beijing dialect, Beijing dialect formation and the formation of Beijing is closely related to Mandarin, Beijing dialect Entering clarify the evolution of pronunciation, Mandarin Beijing for studying the formation of important significance; (3) Entering the word Beijing dialect differences with white text reading, ching to the tune without the words into the law of such features are not included in the new grammar school voice to explain the evolution of the framework of the law must show that the Chinese side a unique voice changes Therefore, the word on the Beijing dialect Entering the study, not only allows us to change for the Chinese voice more in-depth understanding, but also can change the history of linguistics studies the sound is different from the example of other languages.