按照居民门牌号，机械地每隔4户抽取1户的 抽样方法是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30414' and id < 2458744 and id<>'2458744' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30414' and id > 2458744 and id<>'2458744' order by id asc limit 5