众所周知,语音随着时代的发展,社会的变迁,各民族、各地区经济、文化的交流而不断的变化。所以,汉语语音的声韵调在不同的历史时期,存在着交错浸润的量变,也存在着界限分明的质变,是有系统、有规律的,所以绝对不能以一成不 As we all know, voice changes constantly with the development of the times, social changes, the economic and cultural exchanges among all ethnic groups and different regions. Therefore, the phonological tone of Chinese phonetics varies in different historical periods and there is a quantitative change in stagnation and infiltration. There are also clear-cut qualitative changes, which are systematic and regular.