迄今为止，高碳合金钢材料的焊接理论仍未完善。
Up to now, the welding theory for high carbon alloy steel has not been well established.
本文基于闪光焊接理论研究及钢轨闪光焊接的工艺要求，设计了一种智能控制的钢轨闪光焊焊接系统。
In this paper, on the base of the study of flash butt welding theory, a new intelligent control system of rail flash butt welding is developed.
该方法拓展了粗糙集理论的应用领域，并为焊接建模提供了一种新方法，具有较大的应用潜力。
So it enlarges the application area of rough set theory and provides a new method for modeling in welding area, and has a large potential of wide application.
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