Aiming at practical character of ventilation system in uranium mine well,through deciding the evaluation index system,a grey comprehensive evaluation model for rationality of ventilation system in uranium mine well is established based on grey correlation theory.

The grey relation theory is used to analyze quantitatively the relationship between the changes of industrial structure and the growth of GDP in Anhui Province after China s reform and opening up to outside world.

Lastly,manufacturing resource selection strategy and implementation algorithm were put forward by using both Analytic Hierarchy Process(AHP) and grey relation theory.

Combining grey-relational theory and Euclidean distance, a new method for computing degree of similarity in case-based reasoning (CBR) was presented.

The method of estimating public works cost based on grey related theory;

In order to choose to offer the economy,practical equipments in numerous equipments,propose asking the method of solving in selecting type of equipment based on grey related theory.

This paper,based on grey related theory,studies the peasants income in central region Hainan and proposes some solutions to the problem.

The paper suggests a GGA ap- proach to image matching,which is based on grey relational theory and genetic algorithm.

The essay analyzes the relationship between China\'s financial expenditure and social equity based on statistics from 1998 till 2007 by grey relational theory.

Based on the statistical data in this paper,it takes the demonstration analysis and research on the relevance of the Three Northeast Province tourism industry and its related sub-tertiary industries by using grey relational theory,and reveals the inner links and coordination.