.派克变换是一种线性变换。(    )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69496' and id < 4501870 and id<>'4501870' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69496' and id > 4501870 and id<>'4501870' order by id asc limit 5