药物的安全指数是指

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30247' and id < 2446774 and id<>'2446774' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30247' and id > 2446774 and id<>'2446774' order by id asc limit 5