Therefore, this research is the first one, employing experimental phonetics, to describe the acoustic features of the reduced and toneless syllables and the tonal system of Changde Chinese.

• 因此,此项研究是首次采用试验语音学的方法来确定汉语常德方言的轻声、轻音音节的声学特征和对常德方言的声调系统进行语音描写。