残差平方和是解释变量变动所引起的被解释变量的变差。（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id < 2461425 and id<>'2461425' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id > 2461425 and id<>'2461425' order by id asc limit 5