编制成本计划时，应采用统一领导、（ )的原则，同时应树立全员进行成本控制的理念。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25979' and id < 2180555 and id<>'2180555' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25979' and id > 2180555 and id<>'2180555' order by id asc limit 5