GB150是以（ ）为设计准则的。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24818' and id < 2121695 and id<>'2121695' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24818' and id > 2121695 and id<>'2121695' order by id asc limit 5