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This book constructs a four-dimensional driving model for customer perception of cross-border e-commerce retail imports from a consumer perspective, and constructs a secondary indicator of the four-dimensional driving model for customer perception of cross-border e-commerce retail imports based on product and service theme attributes. It studies the competitive advantages of importing cross-border e-commerce from the perspectives of platform enterprises and users. At the same time, by constructing a research model for evaluating cross-border e-commerce policies, the book analyzes the...

Structure-Preserving Algorithms for Oscillatory Differential Equations describes a large number of highly effective and efficient structure-preserving algorithms for second-order oscillatory differential equations by using theoretical analysis and numerical validation. Structure-preserving algorithms for differential equations, especially for oscillatory differential equations, play an important role in the accurate simulation of oscillatory problems in applied sciences and engineering. The book discusses novel advances in the ARKN, ERKN, two-step ERKN, Falkner-type and...