By using the methods of documentary literature,experts-interview and logic analysis,the author discusses the development history and characteristics of Chinese concept on gymnastics,on the base of which a new explanation is given to the essence of gymnastics so as to promote the gymnastics in a more healthy direction.

This essay summarizes the theoretical dilemma of research in national economy mobilization potential,and inspired by the sociological method as used in the mobilization area,it first introduces the method of concept operation in sociological study and then applies it to the study of national economy mobilization potential.

The paper starts from the definition of the concept system and then outlines the state-of-the-art of the present researches of the concept system in terminology.

This article starts with the plight of eco-tourism and the author analyses the reason of that: have no scientific concept system on theory, lack of efficient methods for the management of eco-tourists, developer and operator, the industry of eco-tourism, the planning of eco-tourism etc.

Through introducing the meanings of concept teaching method and wide analysis on it in points of view of time concept,whole concept and co-operative course treatment,and how to apply this thought to concret