超声扫査时可能出现棱镜伪像的情况是（     ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25744' and id < 2163582 and id<>'2163582' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25744' and id > 2163582 and id<>'2163582' order by id asc limit 5