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单词 frequency
释义
frequency
noun
uk
/ˈfriː.kwən.si/us
/ˈfriː.kwən.si/

frequencynoun(HAPPENING)

[CorU]
thenumberoftimessomethinghappenswithin aparticularperiod, or thefactof somethinghappeningoften or alargenumberortimes:
（事件发生的）频度，次数；频繁
Complaints about the frequencyofbusesrosein the lastyear.去年对公车发车频率的投诉增长了。
theincreasingfrequencyofterroristattacks越来越频繁的恐怖袭击
It's not thedurationof hisabsencesfromworkso much as the frequency thatworriesme.与他的旷工时日相比，他旷工的频繁程度更让我担忧。
SMART Vocabulary: related words and phrases
Frequency & regularity - general words
  • (as) regular as clockworkidiom
  • -ly
  • clockwork
  • endemically
  • erratic
  • erratically
  • fitful
  • irregular
  • irregularity
  • irregularly
  • like clockworkidiom
  • many
  • on and offidiom
  • on-again, off-again
  • on-off
  • periodic
  • periodically
  • religiously
  • sporadically
  • would
See more results »

frequencynoun(LIGHT/SOUND/RADIO)

[U]physicsspecialized
thenumberoftimesthat awave,especiallyalight,sound, orradiowave, isproducedwithin aparticularperiod,especiallyone second:
（尤指声波或无线电波每秒振动的）频率
the frequency oflight光的频率
lowfrequencyradiation低频辐射
Thehumanearcannothearvery high-frequencysounds.人耳听不到极高频率的声音。
[C]mediaspecialized
aparticularnumberofradiowavesproducedin a second at which aradiosignalisbroadcast:
频率（无线电信号的每秒电波数）
Do youknowwhat frequency the BBCWorldServiceison?你知道英国广播公司的广播频率是多少吗？
SMART Vocabulary: related words and phrases
Physics in general
  • accelerator
  • acoustics
  • Archimedes
  • cathode ray
  • dynamics
  • ferromagnetism
  • harmonic
  • multifrequency
  • photometry
  • physical
  • physicist
  • physics
  • post-Einsteinian
  • quantum mechanics
  • sine curve
  • sinusoid
  • sinusoidal
  • spectroscopy

You can also find related words, phrases, and synonyms in the topics:

Broadcasting: radio

Grammar

Measurements
…
Area: length, width, depth and height
We use the nouns length, width, depth and height and the adjectives long, wide, deep and high to talk about area and size:…
Weight and volume
We use the verb weigh to measure weight:…
Frequency, speed, time
We use many different expressions to describe frequency, speed and time. Here are some of them:…
(Definition offrequencyfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

frequency| American Dictionary

frequency
noun
us
/ˈfri·kwən·si/
[C]physics
thenumberoftimesthat awaveisproducedwithin aparticularperiod,esp. within one second:
Dogs canhearvery high frequencies.

frequencynoun(COMMON)

[U]
thenumberoftimessomething isrepeated, or thefactof somethinghappeningoften:
Houses aresoldhere withgreaterfrequency than in most otherpartsof thecountry.
(Definition offrequencyfrom theCambridge Academic Content Dictionary© Cambridge University Press)

frequency| Business English

frequency
noun[CorU]
uk
/ˈfriːkwənsi/us
thenumberoftimessomethinghappenswithin aparticularperiod, or thefactof somethinghappeningoften or alargenumberoftimes:
Once aweekis a good frequency to back up all thedata.
the frequency of sthCost-consciousretailersarereducingthe frequency ofcashcollections.
We cansurelydobetterinreducingthe frequency andintensityofemergingmarketfinancialcrises.
with greater/increasing frequencySkirmishes betweenprivacyadvocatesand thosecollectinginformationareoccurringwithincreasingfrequency.
Sometrustslimitthe frequency with which aloancan bemodified.
COMMUNICATIONS
thenumberoftimesthat awave,especiallyasoundorradiowave, isproducedwithin aparticularperiod,especiallyone second:
Thetransmittersendsout apulseofsoundat a frequency of 6kilohertz.
(Definition offrequencyfrom theCambridge Business English Dictionary© Cambridge University Press)

Examplesoffrequency

frequency
Thus, at higher frequencies, heating patterns are more spread out and tend to deliver lesser heating than at lower frequencies.
From theCambridge English Corpus
Because gene frequencies are generally presumed to change in phylogeny, then it is suggested that genes must be doing the real work in ontogeny.
From theCambridge English Corpus
We calculate the coverage of a cluster by adding the frequencies of the traces clustered.
From theCambridge English Corpus
To avoid too small expected frequencies, the value codes 2 and 3 were merged for the six extrinsic problems measured at age 13.
From theCambridge English Corpus
Different parents judge the frequencies necessary to fall into such categories very differently.
From theCambridge English Corpus
A chi-squared test was used to compare the frequencies of the responses in different classes.
From theCambridge English Corpus
The frequencies of some of these nouns are generally much lower than those considered in previous studies.
From theCambridge English Corpus
The token frequencies of these were discussed earlier in note 9.
From theCambridge English Corpus
Each distinct form provides a count of one, but the token frequencies for each particular form are ignored.
From theCambridge English Corpus
The relative zero frequencies here may also reflect differences in formality.
From theCambridge English Corpus
The integration is only over the opaque frequencies, ?
From theCambridge English Corpus
A second objection concerns the status of the reported frequencies.
From theCambridge English Corpus
A similar thing could be said for frequencies of valence patterns and the like.
From theCambridge English Corpus
Global sound resonance occurs at multiple frequencies (fundamental and overtones) depending on sound speed (cortico-cortical axons propagation speed) and hall size and shape.
From theCambridge English Corpus
The global theory suggests a tendency for dynamic behavior to exhibit temporal frequencies above the fundamental mode with progressively higher spatial frequencies.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocationswithfrequency

frequency

These are words often used in combination withfrequency.

Click on a collocation to see more examples of it.

allele frequency
This is an artefact due to the particular combination ofallelefrequencydistribution and error model adopted in the simulations.
From theCambridge English Corpus
clock frequency
The machine can, equivalently, be simulated on another concrete machine with identical clock frequency, at the expense of slower performances.
From theCambridge English Corpus
cut-off frequency
Since the plasma has a density gradient along the waveguide width, thecut-offfrequencywill vary along the width.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/frequency##
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更新时间：2024/12/28 2:50:28