太low了是什么意思

页面:/news/view-825731/ | 耗时:0.8573 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=825731 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=825731 LIMIT 0,1
select * from tbl_Articles_sphinx where id=825731 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(524864,679914,1019989,1750757,477227,853991,623319,389311,1617836,858046,645587,1082994,1064361,1855559,1057628,1042836,571726,513507,473274,986639,1728123,768643,520321,390957,2133976,511424,787058,1211237,707223,620938) ORDER BY field (ArticleID,524864,679914,1019989,1750757,477227,853991,623319,389311,1617836,858046,645587,1082994,1064361,1855559,1057628,1042836,571726,513507,473274,986639,1728123,768643,520321,390957,2133976,511424,787058,1211237,707223,620938)