METHODS the gradient experiments of single factor and multilevel orthogonal design were integrated and the results of the two experiments were analyzed.
方法采用单因素多水平的梯度实验和正交设计实验相结合，对两种不同实验方法所得结果进行分析。
2
This paper focuses on the study of twofactor mixed design in the educational experiments and analyses the experimental results in detail.
对教育实验中的两因素混合设计进行研究，并对实验结果作了深入分析。
3
Experiment design of factor analysis, a multiple factordesign, was adopted, in which two factors were repeated in experiments.