The paper describes detailedly the pronunciation system and phonological features of the local dialect of Tongdao , Hunan (Erli Dialect) ,which stands in the transition zone of Xiang dialect , mandarin Chinese , dialect and minority dialect , Dong Dialect , and reveals its distinctive phonetic phenomena .%详细描写了处于湘语、官话、平话和民族语侗语交接地带的通道本地话（二里话）的语音系统及音韵特点，展示了其一些独特的语音现象。
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