根据事物的外部联系、表面特征，采取机械重复的方法进行认识事物是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24410' and id < 2101948 and id<>'2101948' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24410' and id > 2101948 and id<>'2101948' order by id asc limit 5