下列哪一项是法学上通常所说的法的渊源？（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27815' and id < 2287516 and id<>'2287516' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27815' and id > 2287516 and id<>'2287516' order by id asc limit 5