声明
摘要
ABSTRACT
List of Abbreviations
Contents
Chapter 1 Introduction
1.1 Research Background
1.2 Purpose and Significance of the Study
1.3 Brief Introduction to Maritime College English textbooks and Nautical English(Third Mate)Textbook
1.4 Research Questions
1.5 Layout of the Thesis
Chapter 2 Literature Review
2.1 Lexical Study Theory
2.2 Theories on ESP and Maritime English as ESP
2.2.1 Development of ESP
2.2.2 Maritime English as ESP
2.2.3 Lexicon in ESP
2.3 The Present Maritime English Education Practices
2.3.1 The Development of SMCP
2.3.2 IMO Maritime English Model Course
2.4 Introduction to Corpus Linguistics
2.4.1 High-Frequency Words
2.4.2 Lexical Density
2.4.3 Lexical Coverage
2.4.4 Hapax Legomena
Chapter 3 Methodology
3.1 Research Design
3.2 Software Package and Computer Languages Used
3.3 Procedures of Data Collection
Chapter 4 Results and Analysis
4.1 Introduction to MCE and NE corpra
4.2 Lexical Density of Texts in MCE and NE corpra
4.3 The Lexical Coverage Rate in MCE and NE corpra
4.3.1 Words Occurring Both in the CET6-Word List and MCE or NE Corpus
4.3.2 Words Occurring Both in MCE Corpus and NE Corpus
4.3.3 The Coverage Rate of Wordlists Over MCE Corpus and NE Corpus
4.3.4 Unique Words in NE Corpus and Proposal of a Supplementary Wordlist
4.4 High Frequency Words in MCE and NE corpus
4.4.1 Coverage Comparison of Top 100 Frequency Wordlists Between MCE and NE
4.4.2 Words Analysis Between MCE and NE
4.5 The Hapax Legomena in MCE and NE Corpus
Chapter 5 Conclusion
5.1 Major Findings of the Research
5.2 Implications
5.2.1 Practical Implications
5.2.2 Methodological Implications
5.3 Limitations of the Study
References
AppendixⅠTokenization and Lemmatization
AppendixⅡSupplementary Wordlist
Acknowledgements
Resume