用于产生复用段开销并形成完整的复用段信号的功能块是：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30264' and id < 2448281 and id<>'2448281' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30264' and id > 2448281 and id<>'2448281' order by id asc limit 5