中古齿音开合口在近代的演变

The Evolution of the Opening and Closing Mouth of Dental Sound of Mediaeval Times in Recent Times

开口呼与合口呼是汉语语音性质的重要区别特征,从齿音的角度探讨中古到近代语音系统所发生的开合变化,可以从一个侧面来揭示这一发展时期语音演变的情况。采用历史比较的方法,对中古和近代的齿音开合口情况进行纵向比较,指出有5组齿音韵字在历史发展中产生了开合变化。

The opening mouth and closing mouth is important and distinct characteristic of the Chinese phonetics quality. By analyzing the changes of opening mouth and closing mouth of the phonetics system from the aspect of dental sound from mediaeval times to recent times, we can uncover this circumstance of the phonetics evolution in this period from one side. The article compares the mediaeval times dental sound with the recent times dental sound longitudinally by means of the historical comparison. Five groups of dental sound character produced the changes of opening mouth and closing mouth during the historical development.