4　有交互有重复的试验例 2 .1是在不考虑或者说不存在交互效应的试验安排 ,同时采用直观的比较分析法。这种直观的比较分析法主观因素影响较大 ,另一种是方差分析法主观影响较小 ,有个判断衡量的准则 ,这个比较准则主要决定于试验误差 ,可以另外进行试验或如下例的进行重复试 4 Interactions with Duplicate Test Cases 2.1 are experimental arrangements that do not consider or do not have an interactive effect and use an intuitive comparative analysis method. This intuitive comparison analysis subjective factors have a greater impact, and the other is the subjective impact of variance analysis is small, there is a judge to judge the criteria, the comparison criteria are mainly determined by the experimental error, you can conduct another experiment or the following example Repeat the test