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The comprehensive quality of air traffic controller is directly related to the safety of air traffic control system. This article put air traffic controller into the air traffic management safety system which consists of manpower, aircrafts, environment and management. An index system was established by introducing the Delphi method and Analytic Hierarchy Process (AHP) method, In the index system,...
Secondary school English teaching plays a key role in English education in China, while its current status, especially in the countryside, is not as good as we expected and thus innovation in this field becomes indispensible. This paper analyses a questionnaire research statistics with SPSS 16.0 and tracks down the barriers to innovation in secondary school English teaching in the countryside of China...
With the rapid growth of the national investment in sewage treatment industry in China, more and more sewage treatment plants have been set up. Therefore, investment efficiency of the sewage treatment plants is of great significance. Since the traditional CCR model does not take into account "slack" of input elements, and it's unable to solve the problem of ranking efficient DMUs, this paper...
In the past, the accuracy of forecasting coal demand is not very satisfactory. In this paper, rough set for the coal demand factors affecting the reduction, the core factors extracted using BP neural network to predict, through the results of China coal demand forecast can be seen that the value of history fit very well, indicating that this model has better scientific and rationality. Finally, the...
This paper studies the nonlinear relation between the balance of trade and the affection factors. The nonlinear regression model for the balance of trade is constructed by random forest (RF) method. Moreover, the ranking of importance for affection factors is given out. The empirical results in this paper reveal the balance of trade in China is affected mainly by M2, GDP, CPI, Exchange reserves, M1...
In order to make the profitability evaluation of the listed companies more effectively, and provide a basis for decision-making, profitability evaluation model was established in this paper based on particle swarm algorithm (PSO) and the back-propagation algorithm (BP). Then the case study of profitability evaluation of power listed companies in China is proposed. The model takes advantages of the...
Based on the comparative analysis of three schools' organizational structure designs in China and America, two organizational structures of College PE-Flat Organization and Matrix Organization-are proposed for the optimal organizational structure's designs of university public PE departments in China. The flat organization structure is propitious to the clear organization of the staff, the institutional...
Take the evaluation model combined with gray and rough set theory to carry out a comprehensive evaluation for distance education. It calls for data mining for historical decision-making data according to rough set theory and then gets all attributespsila important degree through attribute reduction, and also gets every indexpsilas weight. Then, determine the results of the sample, and unify the measure...
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