商品的二因素是指什么

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select * from tbl_Articles WHERE ArticleID=104541 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=104541 LIMIT 0,1
select * from tbl_Articles_sphinx where id=104541 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1104345,1049284,1066288,1304148,1114626,1059775,1125177,1133301,1129265,1128949,1115410,1108263,1111830,1115301,1104507,1127337,1131657,1111348,1133389,1110822,1275997,1128941,1130254,1103224,1124125,1128867,1133261,1105401,1106264,1372050) ORDER BY field (ArticleID,1104345,1049284,1066288,1304148,1114626,1059775,1125177,1133301,1129265,1128949,1115410,1108263,1111830,1115301,1104507,1127337,1131657,1111348,1133389,1110822,1275997,1128941,1130254,1103224,1124125,1128867,1133261,1105401,1106264,1372050)