寿命周期成本评价法的目标是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27079' and id < 2244674 and id<>'2244674' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27079' and id > 2244674 and id<>'2244674' order by id asc limit 5