1()II121213(1)101013131210(2)1112131112131010(3)13111212131110(4)10(5)(6)(7)(8)(9)(10)(11)(12)12131113111210111312101312111012131010131211正交表L4(23)正交表列匸9试验巧Ln(27)正交表1129试验号匚2(2)正交表1011112891011122211129Ur91121221221212129222I试验号i一1111111122222222123456791011121314151611122221111222211122222222111112211221122112212211222211221112222111122221112222112211112221212121212121221212122121212121221211212212121221212121121222112211221122112211221211221121221211212212112151222211221121221(1)(2)(3)(4)(6)(7)(8)(9)(10)(11)U2)仃3)11)1O)2(2)2水平L4(23),Lg(27),L12(2h),L16(215)正交表2列间的交互作用乜号8101112131415(8)31(3)467(4)5761(5)64523(6)754321(7)91110131215141(9)1011891415121323(10)1110915141312321(11)121314158910114567(12)131215149141512131011111054761(13)15141312111099674523(14)765439I2129222I