The orthogonal design is many factors a method of experimental design, should pay attention to scientific arranging the test, to search for the optimal combination of factors level.
内容主要说明：正交设计是多因素试验设计的一种方法，注重科学合理地安排试验，寻找最佳因素水平组合。
It used the new method of experimental design method-uniform design. Its characteristic is less times of experiment, high reliable regress equation and improved predicting precision.
使用了试验设计方法中新的方法—均匀设计，其特点是试验次数少，回归方程可靠度高，预测准确度高。
From various mental demands in product design, this article discussed rationale and practice method of psychological experiment and the application of experimental data.
从产品设计中的各种心理需求出发，探讨了心理学实验的理论基础和实践方法，以及基于实验数据的设计应用。
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