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用户宏程序在实际生产中有着广泛的应用。本文以椭圆为例，介绍宏程序的编制方法。探讨了宏程序在数控车床加工椭圆时的应用，对有一定数控编程基础人员更加灵活应用椭圆和抛物线的编程方法与技巧有实际的指导意义。“,”The User macro program has been widely used in the actual production. Taking the oval as an example, describing the macro programs preparation method, discussing the macro programs application in the CNC lathe when processing the oval, it will has practical guidance significance for the person whom has a basic CNC programming to apply the ellipse and parabola programming methods and techniques more flexibly.