间隔层网络连接站控层网络，采用（ ）结构。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29475' and id < 2398396 and id<>'2398396' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29475' and id > 2398396 and id<>'2398396' order by id asc limit 5