如何理解可微这个概念

页面:/news/view-1301523/ | 耗时:0.6376 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=1301523 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1301523 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1301523 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1312243,455044,401714,609471,3191598,166031,1118467,241237,1451320,1556748,1095850,429624,1063799,188608,115486,1067729,306493,592867,1069935,1290014,596641,1447892,604733,1277501,1087911,1317698,695282,1080235,199933,1361692) ORDER BY field (ArticleID,1312243,455044,401714,609471,3191598,166031,1118467,241237,1451320,1556748,1095850,429624,1063799,188608,115486,1067729,306493,592867,1069935,1290014,596641,1447892,604733,1277501,1087911,1317698,695282,1080235,199933,1361692)