质控样品测定结果的偏差一般应小于

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30802' and id < 2480823 and id<>'2480823' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30802' and id > 2480823 and id<>'2480823' order by id asc limit 5