采用正交设计考察了培养基的营养成分及其最适浓度。
Nutritional ingredients and their adequate concentrations in medium were investigated by orthogonal devices.
方法以葛根素的提取率为指标，利用正交实验设计考察提取工艺的最佳组合。
MethodsOptimum conditions of extraction puerarin were studied by orthogonal experimental method with extraction rate of puerarin as the index.
研究共设计了四个实验，第一个实验采用被试内设计考察不同方式的手动旋转是否对不同客体的心理旋转产生影响。
The first experiment was a repeated measures factorial design to study whether different ways of manually rotating impacted mental rotation of the different objects.
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