| Abstract in English | 第3-4页 |
| Abstract in Chinese | 第5-10页 |
| Chapter One Introduction | 第10-13页 |
| 1.1 Research Background | 第10-11页 |
| 1.2 Significance of the Research | 第11-12页 |
| 1.3 Organization | 第12-13页 |
| Chapter Two Literature Review | 第13-25页 |
| 2.1 Multimodality and Multimodal Discourse Analysis | 第13-19页 |
| 2.1.1 Theoretical Literature | 第14-17页 |
| 2.1.2 Approaches to Image-text Relations | 第17-19页 |
| 2.2 Previous Studies on Application of Multimodal Discourse Analysis | 第19-22页 |
| 2.3 Previous Studies on Public Signs | 第22-23页 |
| 2.4 Previous Studies on Multimodal Discourse Analysis of Public Signs | 第23-25页 |
| Chapter Three Methodology and Theoretical Framework | 第25-37页 |
| 3.1 Research Questions | 第25页 |
| 3.2 Data Collection | 第25-26页 |
| 3.3 Sample Selection | 第26页 |
| 3.4 Research Method | 第26-27页 |
| 3.5 Theoretical Framework | 第27-37页 |
| 3.5.1 Visual Grammar | 第27-34页 |
| 3.5.2 Van Leeuwen’s Multimodal Model of Image-text Relations | 第34-35页 |
| 3.5.3 A Proposed Model for the Present Study | 第35-37页 |
| Chapter Four Multimodal Analysis and Discussion | 第37-67页 |
| 4.1 The Meanings Realized by Images | 第37-53页 |
| 4.1.1 Representational Meanings in Images | 第37-42页 |
| 4.1.2 Interactive Meanings in Images | 第42-47页 |
| 4.1.3 Compositional Meanings in Images | 第47-50页 |
| 4.1.4 Discussion on Similarities and Differences in Images | 第50-53页 |
| 4.2 The Meanings Realized by Verbal Texts | 第53-64页 |
| 4.2.1 Ideational Meanings in Verbal Texts | 第53-57页 |
| 4.2.2 Interpersonal Meanings in Verbal Texts | 第57-60页 |
| 4.2.3 Textual Meanings in Verbal Texts | 第60-62页 |
| 4.2.4 Discussion on Similarities and Differences in Verbal Texts | 第62-64页 |
| 4.3 Image-text Relations | 第64-67页 |
| 4.3.1 Image-text Relations in Operative Signs | 第64-65页 |
| 4.3.2 Image-text Relations in Informative Signs | 第65页 |
| 4.3.3 Discussion on Similarities and Differences in Image-text Relations | 第65-67页 |
| Chapter Five Conclusion | 第67-72页 |
| 5.1 Major Findings | 第67-70页 |
| 5.2 Implications | 第70-71页 |
| 5.3 Limitations and Suggestions for Future Studies | 第71-72页 |
| References | 第72-78页 |
| Appendix | 第78-82页 |
| Acknowledgements | 第82页 |
