下列施工成本管理的措施中，属于经济措施的有(  ).

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25926' and id < 2176161 and id<>'2176161' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25926' and id > 2176161 and id<>'2176161' order by id asc limit 5