因子设计 meaning in Chinese

factorial design

An ffds " design about 6 system variables was conducted with 128 subjects in the second experiment . result was examined using hierarchical regression
该实验使用部分因子设计的实验设计方法，通过分层回归检验了六个系统变量及其二阶交互作用对目击辨认表现的影响。
Twelve treatments , a complete factorial combination of four soil - crop management practices and three fertilizer inputs , were tested at this site . the treatments involve soil and crop management and fertilizer inputs
这一地点采用12个处理， 4种土壤-作物管理措施和3种肥料投入量的全因子设计。处理包括土壤-作物管理与肥料投入。
Then nearness rough membership function based on nearness relationship rough sets are defined and its properties are investigated . as a rough factor , nearness rough membership function is integrated into a kind of neural networks . and the new neural network can decrease the influence of noise and make it convergent rapidly
本文在相近关系的基础上,提出了衡量粗糙隶属度的方法,研究了该函数的性质,利用隶属度函数作为粗糙因子设计了粗糙因子神经网络,可减小噪声污染的影响,并使网络的收敛速度得到提高。