(1)L4(23)任意两列间的交互作用为另外一列
(2)L8(27)L8(27)二列间的交互作用表1231111212232124221123456711111111211122223122112241222211521212126212212172211221822121121234567(1)326476(2)15745(3)7654(4)123(5)32(6)1(7)列号试验号列号试验号列号列号L8(27)表头设计12345673ABA×BCA×CB×C4ABA×BC×DCA×CB×DB×CA×DD4ABC×DA×BCB×DA×CDB×CA×D5AD×EBC×DA×BC×ECB×DA×CB×EDA×EB×CEA×D(3)L8(4×24)L8(4×24)表头设计123452AB(A×B)1(A×B)2(A×B)33ABC4ABCD5ABCDE12345111111212222321122422211531212632121741221842112列号因子数列号试验号列号因子数(4)L12(211)(5)L16(215)12345678910111111111111112111112222223112221112224121221221125122122121216122212212117212211221218212122211129211222122111022211112212112212121112212221121212211234567891011121314151111111111111111211111112222222231112222111122224111222222221111512211221122112261221122221122117122221111222211812222112211112292121212121212121021212