现代企业制度以（ ）为核心。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29501' and id < 2399991 and id<>'2399991' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29501' and id > 2399991 and id<>'2399991' order by id asc limit 5