建筑上面什么叫做二次结构

页面:/news/view-2321351/ | 耗时:1.0007 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2321351 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2321351 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2321351 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1131443,1086902,1066132,1072921,1074843,988780,1069271,1066622,1067795,1001240,1052599,1063675,1459063,1073003,1081761,1062138,1081411,1072753,1062702,1079888,1067697,1080669,1084251,1086458,1061832,1046706,1053224,1085490,1050369,1090032) ORDER BY field (ArticleID,1131443,1086902,1066132,1072921,1074843,988780,1069271,1066622,1067795,1001240,1052599,1063675,1459063,1073003,1081761,1062138,1081411,1072753,1062702,1079888,1067697,1080669,1084251,1086458,1061832,1046706,1053224,1085490,1050369,1090032)