一中世蒙古语中有《元朝秘史》、《华夷译语》等用汉字音译的文献。汉字,原则上是一个字表示一个单音节的词,虽具有基本的表意功能,却无法将其全部构成要素分解成语音符号.因而在汉字音译时,须以符合汉字语音的构造来划分被音译语言的音链,并将划分成的音链——赋于恰当的汉字之形来重现它。一个汉字表示的汉语音节具有如下C_0~2VC_0~1的音韵构造。 A Middle Ages in Mongolian “Secret History of the Yuan Dynasty”, “Chinese Yi language” and other Chinese transliteration of the literature. Chinese characters, in principle, are words that represent a single syllable. Although they have basic ideographic functions, they can not be decomposed into phonetic symbols. Therefore, in transliteration of Chinese characters, the transliteration of phonetic Language tone chain, and will be divided into the sound chain - given the appropriate shape of the Chinese characters to reproduce it. The Chinese syllable represented by a Chinese character has the phonological structure C_0 ~ 2VC_0 ~ 1 as follows.