Review and analysis on the western democracy theory of the 20th century 并列题名：Review and analysis on the western democracy theory of the 20th century A study of the western discourse theory in the 20th century Researching on the Western Impersonal trend in the 20th century theories and practices of western historical anthropology in the 20th century Review on philosophy masterpieces in the 20th century 从巴赫金到哈贝马斯：20世纪西方话语理论研究：A study of the western discourse theory in the 20th century 并列题名：Researching on the Western Impersonal trend in the 20th century From Mikhail Bakhtin to Jurgen Habermas: a study of the western discourse theory in the 20th century Bibliometrical analysis on development trend of sciences research in the 20th century