| 摘要 | 第5-6页 |
| Abstract | 第6-7页 |
| Abbreviations | 第13-14页 |
| Chapter 1 Introduction | 第14-17页 |
| 1.1 Research Background of the Study | 第14-15页 |
| 1.2 The Purpose of the Study | 第15-16页 |
| 1.3 Research Questions | 第16页 |
| 1.4 Structure of the Thesis | 第16-17页 |
| Chapter 2 Literature Review | 第17-29页 |
| 2.1 Theoretical Background | 第17-20页 |
| 2.1.1 The Role of L1 Transfer in the Acquisition of L2 Pronuciation | 第17-18页 |
| 2.1.2 Contrastive Analysis Hypothesis | 第18-19页 |
| 2.1.3 Speech Learning Model | 第19-20页 |
| 2.2 Previous Studies | 第20-28页 |
| 2.2.1 Acoustic Characteristics of Some English Vowels | 第20-21页 |
| 2.2.2 Acoustic Characteristics of Some Vowels in Mandarin Chinese | 第21-23页 |
| 2.2.3 Acoustic Characteristics of Some Vowels in Beijing and Shuangfeng Dialects | 第23-25页 |
| 2.2.4 Previous Studies on Chinese EFL Learners’ English Vowel Production | 第25-28页 |
| 2.3 Summary | 第28-29页 |
| Chapter 3 Methodology | 第29-36页 |
| 3.1 Participants | 第29-30页 |
| 3.2 Speech Materials | 第30-33页 |
| 3.3 Data Collection and Data Analysis Procedure | 第33-36页 |
| 3.3.1 Recording | 第33-35页 |
| 3.3.2 Segmentation and Data Transcription | 第35页 |
| 3.3.3 Acoustic Analysis | 第35-36页 |
| Chapter 4 Results | 第36-59页 |
| 4.1 English Vowel Patterns Produced by the Participants of Beijing Dialectal Group | 第36-41页 |
| 4.1.1 General Patterns of the First Formants Produced by Beijing Dielectal Group | 第36-38页 |
| 4.1.2 General Patterns of the Second Formants Produced by Beijing Dialectal Group | 第38-39页 |
| 4.1.3 English Vowel Space of the Beijing Dialectal Group | 第39-41页 |
| 4.2 English Vowel Patterns Produced by Shuangfeng Dialectal Group | 第41-47页 |
| 4.2.1 General Pattern of the First Formants Produced by Shuangfeng Dialectal Group | 第41-43页 |
| 4.2.2 General Patterns of the Second Formants Produced by Shuangfeng Dialectal Group | 第43-44页 |
| 4.2.3 English Vowel Space of the Shuangfeng Dialectal Group | 第44-47页 |
| 4.3 Comparisons of the English Vowel Formants and Patterns between Beijing and Shuangfeng Dialectal Groups | 第47-53页 |
| 4.3.1 Comparison of the First Formants | 第47-50页 |
| 4.3.2 Comparison of the Second Formants | 第50-51页 |
| 4.3.3 Comparison in Terms of English Vowel Pattern | 第51-53页 |
| 4.4 Comparison between the Two Dialectal Groups and Native Speakers | 第53-57页 |
| 4.4.1 Comparison of F2-F1 of the Two Dialectal Groups and Native Speakers | 第53-55页 |
| 4.4.2 Comparison of English Vowel Patterns Produced by the Two Dialectal Groups and Native Speakers | 第55-57页 |
| 4.5 Summary | 第57-59页 |
| Chapter 5 Discussion | 第59-67页 |
| 5.1 English Vowel Patterns of Chinese Students with Beijing and Shuangfeng Dialectal Backgrounds | 第59-64页 |
| 5.1.1 English Vowel Pattern of Chinese Students with Beijing Dialectal Background | 第60-62页 |
| 5.1.2 English Vowel Pattern of Chinese Students with Shuangfeng Dialectal Background | 第62-64页 |
| 5.2 Comparison among the Two Dialectal Groups and Native Speakers | 第64-66页 |
| 5.3 Summary | 第66-67页 |
| Conclusion | 第67-69页 |
| References | 第69-74页 |
| Appendix A 受试者背景调查问卷 | 第74-75页 |
| Appendix B Praat Script | 第75-81页 |
| Appendix C 详细中文摘要 | 第81-85页 |
| Acknowledgements | 第85页 |
