By taking the ISO code for numerical control system of machine tools as an example, one of the methods of simplifying multivariable logic expressions, the multivariable graphic method, is introduced.
本文以机床数控系统ISO代码为例,介绍了多元逻辑式的简化方法之一——多元图解法。叙述了作图时的各个步骤和应遵循的规则。