下列属于非正式的法的渊源的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24441' and id < 2103333 and id<>'2103333' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24441' and id > 2103333 and id<>'2103333' order by id asc limit 5