| 中文摘要 | 第3-4页 |
| ABSTRACT | 第4-5页 |
| ABBREVIATIONS | 第8-9页 |
| Chapter One Introduction | 第9-13页 |
| 1.1 Research Background | 第9-10页 |
| 1.2 Significance of the Research | 第10-11页 |
| 1.3 Purpose and Questions of the Research | 第11页 |
| 1.4 Outline of the Study | 第11-13页 |
| Chapter Two Literature Review | 第13-27页 |
| 2.1 An Overview of Lexical Bundles | 第13-19页 |
| 2.1.1 Definition of Lexical Bundles | 第13-15页 |
| 2.1.2 Classification of Lexical Bundles | 第15-17页 |
| 2.1.3 Previous Studies on Lexical Bundles | 第17-19页 |
| 2.2 Genre and Genre Analysis | 第19-21页 |
| 2.2.1 Definition of Genre | 第19页 |
| 2.2.2 ESP Genre Analysis | 第19-20页 |
| 2.2.3 Move and Step in ESP Genre Analysis | 第20页 |
| 2.2.4 RA Introduction as a Genre | 第20-21页 |
| 2.2.5 Previous Genre Studies on Engineering RA Introductions | 第21页 |
| 2.3 Relations between Lexical Bundles and Introduction Move | 第21-23页 |
| 2.4 Theoretical Framework | 第23-27页 |
| 2.4.1 Structure and Function of Lexical Bundles | 第23-25页 |
| 2.4.2 Swales’ CARS Model | 第25-27页 |
| Chapter Three Research Methodology | 第27-36页 |
| 3.1 Data Collection | 第27-28页 |
| 3.1.1 Sources of Data | 第27-28页 |
| 3.1.2 Data Collection Principles | 第28页 |
| 3.2 Research Methods | 第28页 |
| 3.3 Research Procedure | 第28-29页 |
| 3.4 Pilot Study | 第29-35页 |
| 3.5 Summary | 第35-36页 |
| Chapter Four Results and Discussion | 第36-55页 |
| 4.1 Generic Structure of the Corpus Texts | 第36-39页 |
| 4.1.1 Generic Structure of the Introduction Written by CWs | 第36-37页 |
| 4.1.2 Generic Structure of the Introduction Written by WESCs | 第37-39页 |
| 4.2 A Comparison of Lexical Bundles in the Corpus | 第39-41页 |
| 4.2.1 Lexical Bundles Identified in the Introduction Written by CWs: Type and Structure | 第39-40页 |
| 4.2.2 Lexical Bundles Identified in the Introduction Written by WESCs : Type and Structure | 第40-41页 |
| 4.3 Similarities in the Use of Lexical Bundles by CWs and WESCs | 第41-46页 |
| 4.3.1 Top Ten Lexical Bundles | 第41-42页 |
| 4.3.2 Structure and Function of Top Ten Lexical Bundles | 第42-46页 |
| 4.4 Differences of the Use of Lexical Bundles by CWs and WESCs | 第46-48页 |
| 4.4.1 Types of Lexical Bundles in the Corpus | 第46-47页 |
| 4.4.2 Structure of Lexical Bundles in the Corpus | 第47-48页 |
| 4.5 Types and Functions of Lexical Bundles in Each Move of RA Introductions | 第48-54页 |
| 4.5.1 Types of Lexical Bundles in Each move of RA Introductions | 第48-53页 |
| 4.5.2 Functions of Lexical Bundles in Each Move of RA Introductions | 第53-54页 |
| 4.6 Summary | 第54-55页 |
| Chapter Five Conclusion | 第55-58页 |
| 5.1 Major Findings of the Study | 第55-56页 |
| 5.2 Implications of the Study | 第56-57页 |
| 5.3 Limitations and Suggestions for Further Research | 第57-58页 |
| Acknowledgments | 第58-59页 |
| References | 第59-63页 |
| Appendix | 第63-67页 |
| A. A List of Lexical Bundles Used by Chinese Writers | 第63-64页 |
| B. A List of Lexical Bundles Used by Writers from English-Speaking Countries | 第64-67页 |
