| 摘要 | 第1-6页 |
| Abstract | 第6-11页 |
| Index to Figures | 第11-12页 |
| Index to Tables | 第12-14页 |
| Chapter 1 Introduction | 第14-17页 |
| ·General Research Background | 第14-15页 |
| ·Aims of Present Thesis | 第15-16页 |
| ·The Organization of the Thesis | 第16-17页 |
| Chapter 2 Literature Review | 第17-28页 |
| ·Theories on Infants’Language Development in Pre-Linguistic and Early Speech Stages | 第17-18页 |
| ·Discontinuity Model of Early Phonological Development | 第17-18页 |
| ·Continuity Model of Early Phonological Development | 第18页 |
| ·Previous Researches on Infants’Language Development in Pre-Linguistic and Early Speech Stages | 第18-27页 |
| ·Supporting Evidence for Continuity Model from Infant Segmental Production | 第19-22页 |
| ·Supporting Evidence for Continuity Model from Infant Tonal Production and Perception | 第22-27页 |
| ·Limitations of the Previous Research | 第27-28页 |
| Chapter 3 Methodology | 第28-37页 |
| ·Participants | 第28-29页 |
| ·Recording Procedure and Data Collection | 第29页 |
| ·Data Analysis | 第29-37页 |
| ·Data Extraction and Segmentation | 第29-32页 |
| ·Data Conversion | 第32页 |
| ·Lz-score Normalization | 第32-35页 |
| ·Accent Range Calculation | 第35-37页 |
| Chapter 4 Results | 第37-64页 |
| ·Mean Value of Minimum F0, Maximum and Maximum F0 in the Late Pre-word Stage and Early Speech Stage | 第37-43页 |
| ·General Statistics of Mean Value of Maximum F0, Maximum F0 and Mean F0 of the Two Age Groups | 第37-39页 |
| ·Trend of Maximum F0, Minimum F0 and Mean F0 for Each Subject | 第39-43页 |
| ·Pitch Types | 第43-61页 |
| ·General Distribution of Pitch Types in the Two Age Groups | 第43-47页 |
| ·Level Pitch Pattern | 第47-51页 |
| ·Falling and Rising Contours | 第51-58页 |
| ·Concave and Convex Contours | 第58-61页 |
| ·Summary | 第61-64页 |
| Chapter 5 Discussion | 第64-69页 |
| Conclusion | 第69-72页 |
| References | 第72-77页 |
| Appendix A(攻读学位期间所发表的学术论文目录) | 第77-78页 |
| Appendix B General Statistic Tables | 第78-83页 |
| Appendix C Sample Graphs Generated by Praat Script | 第83-85页 |
| Appendix D Lz- score Scrip (Excerpt) | 第85-87页 |
| Appendix E 普通话儿童前语言阶段与早期语言阶段音高之比较（详细中文摘要） | 第87-90页 |
| Acknowledgements | 第90-91页 |
