为什么质量分数越大其密度越大

页面:/news/view-1855196/ | 耗时:0.7700 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=1855196 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1855196 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1855196 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1569811,1112236,2390950,1098569,1126072,1106575,1101223,1974608,798182,648710,1008730,1276746,1543503,1487414,1510811,130613,1084459,1094705,2432075,1109579,1073899,260362,1054860,1919394,242090,3291029,1600232,3460092,1090246,2847610) ORDER BY field (ArticleID,1569811,1112236,2390950,1098569,1126072,1106575,1101223,1974608,798182,648710,1008730,1276746,1543503,1487414,1510811,130613,1084459,1094705,2432075,1109579,1073899,260362,1054860,1919394,242090,3291029,1600232,3460092,1090246,2847610)