effectiveness

英 [ɪˈfektɪvnəs]

美 [ɪˈfektɪvnəs]

n.  效率（果，力，用，能，应）；有效性

TOEFL经济

BNC.3478 / COCA.3543

柯林斯词典

• ADJ-GRADED 有效的;能产生预期效果的
  Something that iseffectiveworks well and produces the results that were intended.
  1. The project looks at how we could be more effective in encouraging students to enter teacher training...
     该项目着眼于我们如何能够更加有效地鼓励学生参与教师培训。
  2. Simple antibiotics are effective against this organism...
     一般的抗生素能够有效对抗这种微生物。
  3. ...an effective public transport system.
     有效运转的公共交通系统
• ADJ 实际的;事实上的
  Effectivemeans having a particular role or result in practice, though not officially or in theory.
  1. They have had effective control of the area since the security forces left.
     自从安全部队撤离后，他们实际上控制了该地区。
  2. ...a restructuring that would have resulted in an effective increase on one of their most popular excursion fares.
     原本会使他们最热门的一条短途旅游线路的费用出现实质性上涨的调整
• ADJ （法律、协议等）生效的，起作用的
  When something such as a law or an agreement becomeseffective, it begins officially to apply or be valid.
  1. The new rules will become effective in the next few days.
     新规定将在几天后生效。

英英释义

noun

• capacity to produce strong physiological or chemical effects
  1. the toxin's potency
  2. the strength of the drinks
  Synonym:potencystrength
• power to be effective
  Synonym:effectivityeffectualnesseffectuality

双语例句

• The effectiveness of this class of drug has, however, led to their misuse.
  不过，此类药品的显著疗效已经导致对其的滥用。
• While there is some concern over the cost of on-line services, there is complete unanimity as to their effectiveness.
  除了对联机服务的费用有所考虑，会议就其效率问题取得了完全的一致。
• Numerical results verify the effectiveness of this method.
  仿真结果验证了此下限的有效性。
• Our national defense capabilities and the army's defense and combat effectiveness have further improved.
  国防实力和军队防卫作战能力进一步提高。
• The practicability, effectiveness and reliability of these methods have been confirmed by 12 oilfields in China.
  这些方法的实用性、有效性和可靠性，已被我国12个油田的实际应用所证实。
• This will enhance our operation effectiveness.
  这会提高我们的工作效率。
• But she says the study raises important questions about the long-term effectiveness of current treatments.
  但是她说，研究对当前治疗的长期有效性提出了重大问题。
• Simulation results of point targets and distributed target validate the effectiveness of the presented imaging approach.
  点目标和分布目标的仿真结果验证了这种成像方法的有效性。
• Bad diction marred the effectiveness of her speech.
  文辞不当削弱了她演讲的渲染力。
• Simulation results and performance analysis validate the effectiveness of the proposed approach.
  仿真实验和性能分析验证了所提方法的有效性。