( )学派主要通过观察管理者的实际活动来明确管理者的工作内容。|

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31820' and id < 2543320 and id<>'2543320' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31820' and id > 2543320 and id<>'2543320' order by id asc limit 5