一种文字的符号体系中,发展和保持一定数量的表音符号是必须的。汉字作为一种典型的表词文字,其形成和发展过程也是表音功能不断强化的过程。汉字系民族文字在其发展过程中,表音功能同样受到重视和强化。但由于语言类型的制约作用,其表音功能的强化有不同的表现形式。南方汉字系民族文字发展了汉字符号的示音作用,而黏着语文字则大多发展出纯粹的表音符号。 In a written symbology, it is necessary to develop and maintain a certain number of phonetic symbols. Chinese characters as a typical form of words and expressions, the formation and development process is also a continuous enhancement of phonetic process. Chinese characters in the national language in its development process, the phonetic function also received the attention and strengthened. However, due to the limitation of language type, the enhancement of phonetic features has different manifestations. The southern Chinese characters are the national characters of the development of the Chinese characters phonetic function, while the adhesive language mostly developed pure phonetic symbols.