怎样理解均值在统计学中的地位

页面:/news/view-235507/ | 耗时:0.4529 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=235507 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=235507 LIMIT 0,1
select * from tbl_Articles_sphinx where id=235507 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1066090,1100791,1371139,1070993,1073515,1102738,1055235,1067505,1103997,1072278,1093757,1097575,964762,1089464,1084259,1104657,1108640,1097815,1107386,1052675,1105003,1062786,1110850,1082306,1100392,1091183,1091097,1095598,1047637,1072831) ORDER BY field (ArticleID,1066090,1100791,1371139,1070993,1073515,1102738,1055235,1067505,1103997,1072278,1093757,1097575,964762,1089464,1084259,1104657,1108640,1097815,1107386,1052675,1105003,1062786,1110850,1082306,1100392,1091183,1091097,1095598,1047637,1072831)