系统分析法是对调查对象的（ ）进行系统分析。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31820' and id < 2543344 and id<>'2543344' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31820' and id > 2543344 and id<>'2543344' order by id asc limit 5