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研究了轻轨CARD系统孔型设计数学模型的建立方法．在总结和分析大量现场数据的基础上，用回归分析建立了轻轨CARD系统轨形孔孔型设计模型，并成功的用在轻轨CAap系统的开发中，经厂家试用效果很好．该模型建立的方法，为在复杂断面型钢CABD系统中经济地建立数学模型提供了一种解决方案．
The establishment method of mathematical model of pass design of light rail CARD system is studied. On the basis of summarizing and analyzing a large number of field data, a rail hole design model for light rail CARD system was established by regression analysis and successfully used in the development of light rail CAap system. The method of establishing this model provides a solution for the economic establishment of mathematical models in complex section steel CABD systems.