数学中A代表什么意思

页面:/news/view-605282/ | 耗时:0.2518 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=605282 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=605282 LIMIT 0,1
select * from tbl_Articles_sphinx where id=605282 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(419117,1087241,415052,1083969,359090,1114034,1709205,1879474,386022,1112893,363037,1096981,1084343,1108355,1117401,377075,386233,100721,957190,2477775,400150,369135,860179,401765,1063882,1121540,1099323,2537116,1119920,360222) ORDER BY field (ArticleID,419117,1087241,415052,1083969,359090,1114034,1709205,1879474,386022,1112893,363037,1096981,1084343,1108355,1117401,377075,386233,100721,957190,2477775,400150,369135,860179,401765,1063882,1121540,1099323,2537116,1119920,360222)