解释一下什么是对标

页面:/news/view-507588/ | 耗时:0.0615 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=507588 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=507588 LIMIT 0,1
select * from tbl_Articles_sphinx where id=507588 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3025077,1342709,455729,1175273,727456,1884110,2989883,2324589,2957372,1071390,941654,399241,533043,1108614,999997,1122831,1146687,2621134,2474523,1095492,2156413,1353755,1942639,1106416,1711185,735351,1215765,1093212,719587,161621) ORDER BY field (ArticleID,3025077,1342709,455729,1175273,727456,1884110,2989883,2324589,2957372,1071390,941654,399241,533043,1108614,999997,1122831,1146687,2621134,2474523,1095492,2156413,1353755,1942639,1106416,1711185,735351,1215765,1093212,719587,161621)