| 摘要 | 第1-6页 |
| ABSTRACT | 第6-7页 |
| Abbreviations | 第7-8页 |
| List of Tables and Figures | 第8-11页 |
| Chapter 1 Introduction | 第11-15页 |
| ·Background | 第11-13页 |
| ·Research Questions | 第13页 |
| ·Purpose and Significance of the Study | 第13-14页 |
| ·Layout of This Thesis | 第14-15页 |
| Chapter 2 Literature Review | 第15-35页 |
| ·Relevant Theories of Corpus Linguistics | 第15-20页 |
| ·Definition of Corpus and Corpus Linguistics | 第15-16页 |
| ·Corpus Design and Compilation | 第16-17页 |
| ·Corpus Analysis | 第17-18页 |
| ·Implications and Applications of Corpus-based Analysis | 第18-20页 |
| ·Relevant Theories of English Lexicon and Lexical Changes | 第20-33页 |
| ·The Study of English Lexicon | 第20-25页 |
| ·Forms of Lexical Changes | 第25-30页 |
| ·Causes for Lexical Changes | 第30-33页 |
| ·Previous Researches in Vocabulary Change of Formal Written English | 第33-35页 |
| Chapter 3 Research Methodology | 第35-40页 |
| ·Data Collection and Description | 第35-36页 |
| ·Data Source and Collection | 第35页 |
| ·Data Description | 第35-36页 |
| ·Data Analysis | 第36-40页 |
| ·Tools for Data Analyzing | 第36-38页 |
| ·Approaches for Analysis | 第38-40页 |
| Chapter 4 Results and Discussion | 第40-62页 |
| ·Changes in Lexical Density | 第40-44页 |
| ·Comparison of Lexical Density between STCW 78/95 and STCW 2010 | 第40-43页 |
| ·Possible Causes for the Changes in Lexical Density | 第43-44页 |
| ·Changes in Word Length | 第44-50页 |
| ·Analysis of Word Length of STCW 78/95-Only Words | 第45-46页 |
| ·Analysis of Word Length of STCW 2010-Only Words | 第46-48页 |
| ·Comparison of Word Length between STCW 78/95-Only and STCW 2010-Only Words | 第48-49页 |
| ·Possible Causes for the Changes in Word Length | 第49-50页 |
| ·Changes in Word Frequency Distribution | 第50-62页 |
| ·Changes in Frequency Distribution | 第50-55页 |
| ·STCW 78/95-Only Vocabulary | 第55-57页 |
| ·STCW 2010-Only Vocabulary | 第57-60页 |
| ·Possible Causes for the changes in Word Frequency Distribution | 第60-62页 |
| Chapter 5 Conclusions | 第62-66页 |
| ·Major Findings | 第62-64页 |
| ·Implication of the Study | 第64-65页 |
| ·Limitations of the Study | 第65-66页 |
| References | 第66-70页 |
| Appendices | 第70-80页 |
| Acknowledgements | 第80-81页 |
| Resume | 第81页 |
