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多因素正交试验法是一种试验方法的革新。它可以同时考察多个因素和因素的多个位级(一般叫水平,我们认为改叫位级较好),并利用一整套规格化的正交表(见附录)有计划有步骤地安排试验。利用数学原理编制的正交表,可以用较少的试验次数,较准确而迅速地、找到较优生产条件(或规律)。这种试验方法比较简单、省力,试验结果的计算、分析,也较容易,便于广大群众掌握。
Multi-factor orthogonal test method is a test method innovation. It examines multiple levels of multiple factors and factors simultaneously (generally called levels, which we think are better called rankings) and schedules the tests systematically with a set of normalized orthogonal tables (see appendix) . Orthogonal tables prepared by mathematical principles, you can use fewer test times, more accurately and quickly find the optimal production conditions (or laws). This test method is relatively simple, labor-saving, test results calculation, analysis, but also easier to facilitate the masses to master.