W蠕动波的頻半为每分钟（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='28670' and id < 2339843 and id<>'2339843' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28670' and id > 2339843 and id<>'2339843' order by id asc limit 5