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内容摘要： 青海卓仓藏语、乐都汉语和江淮官话元音擦化的动因相似，前元音系统都经历了高化链移，后元音系统经历了高化和前化的链移，导致顶点元音擦化。乐都汉语和江淮官话链移的动因还有复元音的单音化。 Abstract: The different kinds of impetus of vowel frictionization in Grotshang Tihetan, Ledu Chi- nese and Jianghuai Mandarin are similar, because their front vowels have experienced raised shifts, the back vowels have experienced both raised shifts and forward shifts, which led to the high vowels＂ frictionization. Besides, the shift of diphthongs to monophthong is also an impetus to Ledu Chinese and Jianghuai Mandarin＇s chain shifts. 关键词：卓仓藏语;江淮官话;乐都汉语;元音擦化; 中图分类号：H214 (责任编辑：admin) |