7.she is responsible for the efficient running of their department.
她负责他们所在部门的有效运转。
8.the efficient cause of the revolution. ineffective
革命的有效原因 ineffective
9.A quietly efficient manservant brought them coffee and brandy.
一个不起眼而干的男仆给他们端来了咖啡和白兰地。
10.He has an efficient business setup.
他有一个有效的生意机构。
11.fluorescent lamps are efficient at converting electricity into light.
荧光灯可以将电高效地转换成光。
12.the flying lemur is an efficient glider as well as climber.
飞狐猴既可快速攀爬也会快速滑行。
13.she had the chic, efficient look that spells Milan.
她具有米兰人所特有的那种时髦典雅而又精明干的外表。
14.The library had a spare but efficient look about it.
这个图馆给人一种简单，但却很有效的感觉。
15.This new copy machine is more efficient than the old one.
这台新复印机比那台旧的效率高。
16.a clean fuel; a cleaner, more efficient engine.
无污染燃油；无污染、效更高的引擎
17.Your problem lies in lacking efficient methods.
你的问题在于缺少有效的方法。
18.an efficient cause.See Synonyms at effective
直接原因参见 effective
19.By using the result of the scalarization of the weak efficient solutions set, a result of the connectedness of the weak efficient solution sets is obtained in topological vector space.
利用向量均衡问题弱有效解的标量化的结果，得到了这类向量均衡问题弱有效解集的连通性结果。
20.Tokyo's dominance of government was deemed to ease efficient contact-making.
力的管理者。
力的, 效率高的
义词
词
俭的;
握使用的;
