定义在  上的函数 ；当 若 ；则P，Q，R的大小关系为

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16197' and id < 1363064 and id<>'1363064' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16197' and id > 1363064 and id<>'1363064' order by id asc limit 5