以下哪个行业不属于周期性行业？（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30830' and id < 2496322 and id<>'2496322' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30830' and id > 2496322 and id<>'2496322' order by id asc limit 5