先将量小的组分与等量量大的组分混匀，再加入与混合物等量的量大的组分混匀的操作

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30814' and id < 2481646 and id<>'2481646' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30814' and id > 2481646 and id<>'2481646' order by id asc limit 5