网络中最常用的传输媒体是（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29906' and id < 2425466 and id<>'2425466' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29906' and id > 2425466 and id<>'2425466' order by id asc limit 5