From the new method of interchange scheme conception and traffic analysis--traffic flow tendency chart, interchange scheme comparison and assessment structural model, interchange traffic design, city interchange highway CAD and reinforced retaining wall, this article reviewed the innovation and development the city interchange design technology in the 20th century.

Constructing a Public Service Quality Evaluation Model: Evidence from Chinese Public Service Industry;

A,and provides E-commerce customer satisfaction evaluation model by using the approach of customer satisfaction questionnaire and principal component analysis.

Combined with the advantages of fuzzy comprehensive evaluation and principle component analysis ,this paper constructed a fussy hierarchy principle component analysis evaluation model to the reasonable flow of scientific and technological talents based on the characters of hierarchy analysis process theory and the evaluation system of scientific and technological talents.

User satisfaction measurement model for supply power enterprise is put forward according to the properties of supply power industry in this paper.

To seek for a scientific method to judge the competitiveness accurately,the theory of fuzzy mathematics and its analytical method have been adopted to establish the measurement model of competitiveness of commericial banks.

This paper put forward a creative measurement model of tourist satisfaction index(TSI) using for reference on international currency customer satisfaction index model,and based on random sample in three key scenic spot of Beijing,by means of SPSS11.