| Acknowledgements | 第1-7页 |
| Abstract | 第7-9页 |
| 摘要 | 第9-10页 |
| Chapter One Introduction | 第10-16页 |
| ·Background of the Study | 第10-12页 |
| ·Objective of the Study | 第12-13页 |
| ·Significance of the Study | 第13-14页 |
| ·Layout of the Thesis | 第14-16页 |
| Chapter Two Literature Review | 第16-29页 |
| ·Perspectives on Lexicography | 第16-19页 |
| ·The Historical Perspective | 第16-17页 |
| ·The Structural Perspective | 第17-18页 |
| ·The User Perspective | 第18-19页 |
| ·The History of English Learner's Dictionaries | 第19-23页 |
| ·The Pioneering English Learner's Dictionaries | 第19-20页 |
| ·The Second Generation of Learner's Dictionaries | 第20-22页 |
| ·The Third Generation of Learner's Dictionaries | 第22-23页 |
| ·Pictorial Illustrations in Dictionaries | 第23-27页 |
| ·The History of Pictorial Illustrations | 第24-25页 |
| ·The Classification of Pictorial Illustrations | 第25-26页 |
| ·The Functions of Pictorial Illustrations | 第26-27页 |
| ·Summary | 第27-29页 |
| Chapter Three Theoretical Framework | 第29-42页 |
| ·A Survey of MDA | 第29-32页 |
| ·The definition of multimodal discourse | 第29-30页 |
| ·Theoretical Background | 第30-31页 |
| ·Two Main Approaches to MDA | 第31-32页 |
| ·Integrated theoretical frameworks of MDA | 第32-37页 |
| ·Royce's Intersemiotic Complementarity | 第32-34页 |
| ·Lim's Integrative Multi-semiotic Model (IMM) | 第34-36页 |
| ·A Comparison between Royce's and Lira's iIntersemiotic Theory | 第36-37页 |
| ·A Proposed MDA Descriptive Framework for ECLDs | 第37-40页 |
| ·The Ideational Level | 第38-40页 |
| ·Ideational Intersemiotic Complementarity | 第38-39页 |
| ·Space of Integration (SoI) | 第39-40页 |
| ·The Compositional Level | 第40页 |
| ·Summary | 第40-42页 |
| Chapter Four The MDA Approach to ECLDs | 第42-61页 |
| ·Multimodality in the learner's dictionaries | 第42-43页 |
| ·Language Proficiency and Cognitive Competence Oriented Study | 第43页 |
| ·Comparison between OELECD and OALECD | 第43-57页 |
| ·The Ideational level | 第44-51页 |
| ·Ideational intersemiotic complementarity | 第44-50页 |
| ·Space of integration (SoI) on the expression plane | 第50-51页 |
| ·Compositional level | 第51-57页 |
| ·Information value | 第52-56页 |
| ·Salience | 第56-57页 |
| ·Reading path | 第57页 |
| ·Different proficiency features reflected in OELECD and OALECD | 第57-58页 |
| ·Cognitive competence reflected in the two dictionaries | 第58-59页 |
| ·Suggestions for future ECLD's compilation | 第59-61页 |
| Chapter Five Conclusion | 第61-65页 |
| ·Summary of the Findings | 第61-62页 |
| ·Implications of the Study | 第62-63页 |
| ·Limitations and Prospects | 第63-65页 |
| References | 第65-67页 |
