An Experimental Study On The Vietnam Learners' Acquisition About AffriCates And Fricatives Of Standard Chinese

As the development of China's economic trade and cultural exchanges with Vietnam,Chinese as a language of communication,more and more Vietnamese students learning Chinese.And the Phonetic acquisition is an important part of learning mandarin Chinese.As the teaching experience,affricate and fricative teaching is a difficulty for Vietnam to learn.so we will do an experimental study on the Vietnam learners' acquisition about affricates and fricatives of Standard Chinese.The main content of this paper are:Firstly,we will based on a single syllable of mandarin,through the analysis of the aspiration length and so on,we can learn the information about the Vietnam learners on this problem.Secondly,we will based on the two-syllables of Standard Chinese.through the analysis example the aspiration length,vowel duration and so on.so we can learn the information about the Vietnam learners on this problem.Thirdly,we will based on a single syllable of mandarin,through the acoustic analysis,from center frequency and the lower limit frequency,and make the comparison and analysis,we can learn the information about the Vietnam learners on this problem.At last,we can learn the information about the Vietnam learners'acquisition about AffriCates and fricatives of Standard Chinese,so we can know the problems of Vietnam learners and have some advices about this problems.