This article expounds the duality of water, the necessity of establishing water market and the specialty of water commercialization.

Urban waterfront is a special areaconnecting natural water area and urban space andwith a “dual property” of water area and urbanspace.

Economic Law must be consistent with a country\'s national condition and culture,which is the inherent requirement of the dual property of Economic Law.

The influence of science collaboration to science development consists in the double attributes of scientific collaboration.

By means of the research methods of literature consultation,comparison,logical reasoning and so on,this paper discusses the double attributes of P.

From the angle of dual attribute of education,the thesis discusses the role or.

Based on the explication about the nature of determination and the main body s selectivity, this article makes them a dialectical unity and calls them the dual attribute of Marxian historical determinism.

Higher education has the dual attributes of being a public welfare undertaking and an industry, If one attribute is emphasized and the other overlooked, namely, to regard higher education merely as an industry or a public welfare undertaking, the higher education will be hindered from growing healthily.