与固定预算法相比，下列属于弹性预算法特点的有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24505' and id < 2106643 and id<>'2106643' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24505' and id > 2106643 and id<>'2106643' order by id asc limit 5