如果电视图像上有明显的雪花型噪点，则广播电视传输系统不合格的指标可能是 ()<,

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30265' and id < 2448395 and id<>'2448395' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30265' and id > 2448395 and id<>'2448395' order by id asc limit 5