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efficiency 中文解釋 wordnet sense Collocation Usage
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efficiencies, plural;
  1. The state or quality of being efficient
    • - greater energy efficiency
  2. An action designed to achieve this
    • - to increase efficiencies and improve earnings
  3. The ratio of the useful work performed by a machine or in a process to the total energy expended or heat taken in

  1. the ratio of the output to the input of any system
  2. skillfulness in avoiding wasted time and effort; "she did the work with great efficiency"
  3. (efficient) being effective without wasting time or effort or expense; "an efficient production manager"; "efficient engines save gas"
  4. (efficient) effective: able to accomplish a purpose; functioning effectively; "people who will do nothing unless they get something out of it for themselves are often highly effective persons..."-G.B.Shaw; "effective personnel"; "an efficient secretary"; "the efficient cause of the revolution"
  5. In aerodynamics, the lift-to-drag ratio, or L/D ratio ("ell-over-dee"), is the amount of lift generated by a wing or vehicle, divided by the drag it creates by moving through the air. ...
  6. A studio apartment, also known as a studio flat (UK), efficiency apartment or bachelor/bachelorette style apartment, is a self-contained, small apartment, which combines living room, bedroom and kitchenette into a single unit, barring a bathroom. ...
  7. In economics, the term economic efficiency refers to the use of resources so as to maximize the production of goods and services. An economic system is said to be more efficient than another (in relative terms) if it can provide more goods and services for society without using more resources. ...
  8. Pareto efficiency, or Pareto optimality, is a concept in economics with applications in engineering and social sciences. The term is named after Vilfredo Pareto, an Italian economist who used the concept in his studies of economic efficiency and income distribution. ...
  9. In statistics, an estimator is called efficient if it estimates the parameter of interest in some “best possible” manner. ...
  10. (Efficient (horse)) Efficient (foaled 2003) is a grey Thoroughbred racehorse gelding, bred in New Zealand, who won the 2007 Melbourne Cup, ridden by Michael Rodd, and the 2006 Victoria Derby.
  11. The extent to which time is well used for the intended task; The extent to which a resource, such as electricity, is used for the intended purpose; A one-room apartment
  12. (efficient) Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy; Using a particular proportion of available energy
  13. (3. Efficiencies) The following are the important efficiencies of a turbine:
  14. (Efficient) CMC can help you save time, money and energy working directly together to find your own solutions that work.
  15. (Efficient) Choose the design method that best suits the requirements at hand. This may involve creating a new design from scratch, overlaying curves on top of imported 2D sketches, or importing a SAT, IGES, STEP, PROE, CATIA file and then use Concepts exceptional extreme modeling tools to ...
  16. (Efficient) In economics, wealth maximizing for society as a whole estate The property owned by a bankrupt company.
  17. (Efficient) In most cases, our home storage systems can be installed in a single day.
  18. (Efficient) Search results are organized by relevancy, not popularity or paid placement.
  19. (Efficient) avoiding waste, including waste of equipment, supplies, ideas and energy.
  20. (Efficient) in relation to a fitting, piece of equipment or material, means that all reasonable and practicable measures have been taken to ensure that it is suitable for the purpose for which it is intended.
  21. (efficient) 'doing more with less', creating the maximum result with the minimum use or wastage of energies and resources in a specific activity or context; improved incrementally through active learning and related techniques for feedback and reflection, although major improvements usually ...
  22. (efficient) able, accomplished, adept, adroit, capable, competent, consummate, deft, dexterous, expert, handy, imaginative, ingenious, practiced, proficient, resourceful, sharp, skillful, smart about, trained, well versed in
  23. (efficient) adj (competent, capable) kapabla; (which has an effect, effective) efika
  24. An ‘efficient’ runner is one who does not waste energy or use excessive forces as they run. This phrase is often used to describe someone whose feet work ‘efficiently’ without excessive impact forces or rolling movements. See also ‘neutral’ and ‘biomechanically efficient’.
  25. A product's ability to utilize input energy, expressed as a percentage.