为什么能效标识有的只有三个等级

页面:/news/view-2513845/ | 耗时:0.6361 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=2513845 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2513845 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2513845 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2015153,159207,321808,339669,1129645,1080835,3017178,1131914,228625,682180,238863,1400440,1303785,324982,1110708,1133425,736568,1079063,659530,1628162,1132367,1112086,444755,1110265,1082357,2607801,273715,1101641,732222,1064653) ORDER BY field (ArticleID,2015153,159207,321808,339669,1129645,1080835,3017178,1131914,228625,682180,238863,1400440,1303785,324982,1110708,1133425,736568,1079063,659530,1628162,1132367,1112086,444755,1110265,1082357,2607801,273715,1101641,732222,1064653)