At the end of the paper , anhui feed businesses enterprises " equilibrium index of feed industry chain , based on the feed business enterprise market - area and the equilibrium index model of feed industry chain , has been analyzed as an instance
2.
Around of the topic of market - area of the feed business enterprises , academic disquisition of market - area , building of market - area based on gis and database technologies , the equilibrium index model of feed industry chain based on market - area are discussed in the paper . firstly , this paper introduced the industrial location theory , central place theory and spatial competition theory , expatiating the application of these theories in regional economic competition , and analyzed the advantages and disadvantages of these theories in the business enterprise market area building
3.
Based on the feed business enterprises market - area theories and methods , this paper put forward the equilibrium index model of feed industry chain , and proceeded the academic analysis to the equilibrium index of feed industry chain based on the market - area of feed business enterprises
4.
It can collect and calculate those benefit data automatically , furthermore , user could obtain some important outputs including the equilibrium index of driving fatigue easily . so as to access an objective testing system , experiments were made with various workloads , ages , and environments in different situation
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