extraction n. 1.抽出,拔出。 2.【化学】提取(法);萃取(法);回收物,提出物;精炼。 3.精选,摘要。 4.血统,家世,出身。 5.【数学】开方,求根。 spirit of the first extraction 原汁酒。 a man of foreign extraction 外国(血统的)人。 extractions from a book 一本书的内容摘录。 an extraction of 81 percent 百分之八十一的出粉率,八一粉。 the extraction of root 【数学】开方法,求根法。
at the cost of 丧失,牺牲; 以为代价; 以…代价; 以…为代价,牺牲…而获得; 以什么为代价; 以之为代价
cost n. 1.费用;代价,价格;成本。 2.牺牲;损害,损失。 3.〔pl.〕讼费。 living costs 生活费用,物价。 first [prime, initial] cost生产成本。 at all costs = at any cost 无论如何,不惜任何牺牲。 at cost 照成本。 at sb.'s cost 某人出钱;损及某人。 at the cost of 以…为牺牲,舍…而。 cost and freight 成本加运费〔略作 C.& F.〕。 cost of living 生活费(用)。 cost of living index 物价指数。 cost of operation 管理费用。 count the cost 估计费用;先盘算盘算。 free of cost 免费,(奉)送。 to sb.'s cost 归某人负担,算作某人损失;叫某人受累;某人吃亏后才(as I know to my cost我吃亏后才知道。 I knew it to my cost. 这个我(因吃过苦头)是见而有戒了。 He found to his cost that motoring is dangerous. 他(吃过苦头后才)知道开汽车是危险的)。 vt. (cost; cost) 1.值,要价(苦干);花费,需要。 2.使花费,使损失,牺牲。 3.估定(…的)成本。 vi. 花费,付代价。 It costs five dollars. 值五元,要价五元。 It cost me much labour. 费了我不少劳力。 His ambition cost him his life. 他的野心断送了自己一条命。 cost (sb.) dear(ly) 代价极大,费用极高;闯大祸,吃大亏(If you attempt it, it will cost you dear. 你试试看,一定要吃大亏的)。 cost what it may 不惜任何代价,无论代价多少;无论如何。
In view of the characteristics and present situation of jianghan oilfield, the author analyzes some problems in the present oil production cost control and, embarking from the oilfield long-term development strategy primarily, proposes extraction cost control countermeasures which take enhancing the oilfield whole economic efficiency as the key 摘要针对江汉油田的特点和现状,分析了油田目前采油成本控制存在的问题,并从油田长远发展的战略出发,提出了以提高油田整体经济效益为主的采油成本控制对策。