[1]音位交替是语言中普遍存在的现象,因此早就引起人们的注意。就印欧语而言,关于音位交替的早期描述可以追溯至古代印度人的语法著作;他们把交替分为等级(CTyneHb;grade)的作法,至今仍为语言学家们沿用。1894年,博杜恩.德.库尔特内用波兰文发表《语音交替理论初探》(Prσba toerii alternacji fonetycznych,Krakбw, [1] Alternating phoneme is a ubiquitous phenomenon in language and has long drawn people’s attention. In the case of Indo-European languages, an early description of the alternation of phonemes dates back to the grammatical works of ancient Indians; their use of the CTyneHb grade was still used by linguists today. In 1894, Boruende Kurtten published in Polish “The Theory of Alternation of Speech” (Prσba toerii alternacji fonetycznych, Krakбw,