音标:[i'fiʃәnsi] ; 柯林斯词典等级:2 级;
n. 效率, 效能, 功效
[医] 效率, 效力
n. the ratio of the output to the input of any system
n. skillfulness in avoiding wasted time and effort
词型变化:名词复数形式 : efficiencies
考试类型:[四级/六级/考研/托福]
词性分布:
名词100%

efficiency的用法和样例:

例句

用作名词(n.)
  1. We must improve our efficiency as soon as possible.我们必须尽快地提高工作效率。
  2. Their labor efficiency is very high.他们的工作效率很高。
  3. The two companies consolidated for greater efficiency.这两家公司已合并以提高效率。
  4. This jet has a very high propulsive efficiency.该喷气机的喷射功率非常大。
  5. Various PA linearization techniques have been adopted to improve linearity and power efficiency of wireless transmitters.于是多种不同功率放大器的线性化技术被采用来改善无线发射机的线性度及效率。

常见句型

用作名词(n.)
  1. Friction lowers the efficiency of a machine.摩擦减低机器的效率。

词汇搭配

用作名词 (n.)
动词+~
  • achieve efficiency取得功效
  • add efficiency增加功效
  • promote efficiency促进效率
  • raise efficiency提高效率
形容词+~
  • fighting efficiency战斗力
  • high efficiency高效率
  • technical efficiency技术效能
介词+~
  • at efficiency以…的效率
  • in efficiency在效率上
  • work with great efficiency工作效率很高

经典引文

  • The penalty annexed to any law is an instance, not of its efficiency, but..of its failure.

    出自:R. Whately
  • He conducted his course at the University with an efficiency which shone beside the amateurish efforts of his colleagues.

    出自:F. Tuohy
【近义词】
【反义词】

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学英语单词
aahper
Acer miaoshanicum
almog
Alternative facts
Amiyu
amphiapomict
anchoring root
annualising
assumed azimuth
aussi
bathygenetic area
bi-implication form
body disc
bogard
Botrydial
Brock's disease
Brownites
Business Corporation Act
climb into a lifeboat
coffin nails
coincidence gate signal
coleopalorus foveicollis
command chain
complete set of invariants
computer organization
constant temperature and humidity system
cubical graph
cycle-efficiency
deary me!
debenture coupon
degeneratory
department for education and skills (dfes)
diaphragm valve
digitalis folia
discursive construction
dolichurus
dunlins
electrofishers
epilayers
favoured
feel one's way
filter pass-band
gentleman-at-arms
glanders
guide yoke
gunmetal finish
gwailos
hasssta
Hestia
high-pass filtering
Hilary,Saint
hot pressed bronze compact
human dimensions
individual pursuit
Karabash
lehnerite
Lenino
Leptosiphonium
lighting plant
limited examination
log well
loss-delay system
marine plane
maximum lateral amplitude of bridge
metering station
MTKS
mutual neutralization
nilring
Nippo
nursery bed planter
obtundation
Oyst-Cal-D
pantie
percale
point burning
Pol.
precombustion diesel
puppetmongers
purgee
push to the wall
resident macrophage
runway pattern
S-video connector
shan tzu wu (ha ni tsu)
sic-like
sine integrals
smoke-box superheater
subcontinuous typhoid
telalginite
thelephorous
three-quarter tracked
trusteeship
under-agent
university of waterloo
upsize
vertical data processing
vitamin A-2
walk-abouts
weak-mindednesses
wern't
what's the time, Mr Wolf
wide adjustable speed DC servomotor