时间序列分析中，计算季节指数通常采用的是（ ）。[中南财大2003研]

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id < 2461439 and id<>'2461439' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id > 2461439 and id<>'2461439' order by id asc limit 5