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一、前言目前，在工厂里工件尺寸的检测主要由工人通过测量器具手工完成。工件批量比较大时，需要花费大量的人力、物力和时间。有时，还需要对工件的加工误差进行统计分析，以便寻找加工误差源，而工件加工误差的统计分析是一项非常复杂、繁琐的工作，如果由手工完成，工作量?
I. Preface At present, the measurement of the size of the workpiece in the factory is mainly done manually by the worker through measuring instruments. When the workpiece is relatively large, it takes a lot of manpower, material resources and time. In some cases, it is also necessary to make a statistical analysis on the machining error of the workpiece so as to find the machining error source. The statistical analysis of the machining error of the workpiece is a very complicated and cumbersome task. If it is done by hand, the workload?