声明
摘要
Abstract
Contents
Part Ⅰ Introduction
1.1 Research Background
1.2 Research Significance
1.3 Research Innovation
1.4 Thesis Organization
Part Ⅱ A Diachronic Review of Studies on Language Attrition
2.1 Definitions of Language Attrition and Other Key Terms
2.1.1 Definitions of Language Attrition
2.1.2 Other Terms of Language Attrition
2.2 Literature Review of Studies on Language Attrition
2.2.2 The Second Period(1980-)
2.3 Introduction to CiteSpace
Part Ⅲ Research Design
3.1 Research Questions
3.2 Research Instruments
3.2.2 Web of Science Database
3.3 Data Collection and Processing
Part Ⅳ Results and Discussion
4.1 Current Research Status on Language Attrition
4.1.1 Core Authors
4.1.2 Countries and Institutions Distribution
4.2 The Evolution of the Field of Language Attrition
4.2.1 Co-citation Analysis
4.2.2 Keywords Co-occurrence Analysis
4.3 Emerging Trends and Active Issues in Studies on Language Attrition
Part Ⅴ Conclusion
5.1 Major Findings
5.2 Limitations and Suggestions
Bibliography
Appendix
Acknowledgements
攻读硕士学位期间发表的论文
攻读硕士学位期间参加的科研项目