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In order to analyze the influence of embankment on wind velocity field and vehicle dynamic responses under the influence of sudden cross-wind, Finite element models of different height embankments are built to analyze wind velocity field, and wind velocity on different height of left travel lane is computed. Then two degree of freedom vehicle model is established to analyze vehicle dynamic responses...
For a finite group G, f is a function on G, whose value at an element q of G is the number of elements (a, b, c) ?? G ?? G ?? G satisfying abcb-1a-1c-1. By computing the inner products of / with the irreducible characters of G, we prove that f is a character of G, by the regular representation of the center of the complex group algebra, a module construction of f is obtained.
Book marketing is facing more and more serious problems towards satisfying both markets and readers' interests. This paper aims to clearly analyze the problems and also propose recommended solutions for that. The cognitive research model is established based on readers' cognitive psychology processes. Surveys and investigations were conducted to find out current situations and potential reasons. Finally,...
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