药品监锊管理的意义在于（    ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27489' and id < 2270674 and id<>'2270674' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27489' and id > 2270674 and id<>'2270674' order by id asc limit 5