应用指数平滑法预测时，给定的权数应该是（）。[厦门大学2013研]

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id < 2461431 and id<>'2461431' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id > 2461431 and id<>'2461431' order by id asc limit 5