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In mechanical product structure design phase, the evaluation of it's structure performance is an multiple targets and several arrangements problem in the evaluation of the system. Taking CNC spiral bevel and hypoid gear machine tools as an example, using the method of AHP(Analytic Hierarchy Process)the evaluation index system of machine tools structure adaptability is established. Based on product...
With economic growth, traffic congestion and associated energy and environment problems are becoming more and more worrisome. Taking the effect of traffic congestion on air pollution and energy consumption, this paper highlights some problems and trends of urban transport in Beijing, and discusses some of the possible solutions for improving the urban transport systems. Several options for reducing...
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