The Comparison Between Three Phonetic Booksof Ming Dynasty

The phonetic system in Ming dynasty is very important in the phonetic history. thereare a lot of evlovement marks about initials, finals and tones, we choose three key booksof Ming dynasty and compare them to gain the approximate status. These books representthree deferent mandarins. at the present time, there are much blank space in the researchof these three books, so we shall get the rule of mandarins in the modern times throughdescribing and comparing the phonetic systems of three books.