总结高速公路对沿线区域经济发展的促进作用,提出一种定量计算高速公路经济产业带边界的模型——电磁场模型,并讨论了模型参数的标定方法,最后结合实例对该方法进行了验证。 Summarizes the promotion effect of expressway on the economic development along the line and proposes a model to quantitatively calculate the belt boundary of expressway industry - electromagnetic field model. The calibration method of model parameters is discussed. Finally, the method is verified with examples.