（多选）时间序列中的观察值可分解为哪几个构成要素？（ ）[东北财经大学2011研]

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id < 2461449 and id<>'2461449' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id > 2461449 and id<>'2461449' order by id asc limit 5