a study on system of the Great Wall from the perspective of Chinese frontier thesis 明代九边长城军镇史．上：中国边疆假说视野下的长城制度史研究：a study on system of the Great Wall from the perspective of Chinese frontier thesis 明代九边长城军镇史．下：中国边疆假说视野下的长城制度史研究：a study on system of the Great Wall from the perspective of Chinese frontier thesis a study of literary translation from the perspective of applied poetics The study of system civilization from the perspective of political science a study of facilitation mechanisms from the perspective of transaction costs a study on Marx' body thought from the perspective of contemporary philosophy a study of leisure from the perspective of aesthetics a study of public opinion guidance from the perspective of news narratology Case study of Chinese economic law from the perspective of knowledge system theory