The thesis makes primary research of conception model of the science and technology infrastructure on the basis of the principles of the system theory,expatiate the content of the inf.

Some difference exists in the understanding of the concept of science and technology infrastructure(STI)for domestic scholars and those in other countries, as well as in the index systems for its performance assessment.

In this paper the author discusses the role model of and management model of national science foundation in science and engineering infrastructure analyses the strategy of national science foundation for revolutionizing science and engineering through Cyber infrastructure.

After analyzing the new evaluation method and results of The World Competitiveness Yearbook 2003, this paper points out that Chinese S&T international competitiveness changed little according to the ranking of science infrastructure.

The development of science popularization infrastructure is the foundation for the capability building of science popularization in a country, and the operating mechanism is the critical factor to influence the development of science popularization infrastructure.

The location of agglomeration is very important for the industrial activities in the new economy, in which the enough technology infrastructures, mature innovation interaction, and the ability of counteracting non economy factors are needed.