下列各项中，属于后向一体化战略主要适用条件的有（）。（多选题） 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69452' and id < 4497776 and id<>'4497776' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69452' and id > 4497776 and id<>'4497776' order by id asc limit 5