什么叫分数?表示什么意义

页面:/news/view-3291921/ | 耗时:0.2264 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=3291921 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3291921 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3291921 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1623988,623866,754983,564052,1019843,489617,735051,1126061,765421,762743,450632,389559,763112,478952,825847,508494,1830086,764611,1139535,965826,2739639,2078900,849476,860345,726513,936735,949629,1166782,2031394,1215601) ORDER BY field (ArticleID,1623988,623866,754983,564052,1019843,489617,735051,1126061,765421,762743,450632,389559,763112,478952,825847,508494,1830086,764611,1139535,965826,2739639,2078900,849476,860345,726513,936735,949629,1166782,2031394,1215601)