frequencies
英 ['frɪkwənsɪz] 美 ['frɪkwənsɪz]

n.

（某事发生可重复的）频率( frequency的名词复数 )；发生率；（声波或无线电波的）振动频率；经常发生

英英释义

frequency[ 'frikwənsiz ]

• n.
  • the number of occurrences within a given time period

    "the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"

    同义词：frequenceoftenness

  • the ratio of the number of observations in a statistical category to the total number of observations

    同义词：relative frequency

  • the number of observations in a given statistical category

    同义词：absolute frequency

词组短语

high frequency高频

low frequency低频率；低周波

frequency domain[化]频域；频率范围

frequency conversion频率变换

radio frequency无线电频率

natural frequency自然频率，固有频率；本盏率

frequency response频率响应；录放幅频响应

frequency spectrum频谱；频率谱

frequency converter变频器

frequency band频带；频段

video frequency视频率

frequency control频率控制

frequency division分频；频率划分

frequency range频率范围

vibration frequency频率；振动频率；波动频率

frequency modulation调频

intermediate frequency中频

frequency division multiplexing频分复用；分频多路传输

power frequency电力频率；工业频率

resonance frequency共振频率；谐振频率；共鸣频率

更多收起词组短语

双语例句

用作名词(n.)

1. At some frequencies, it can penetrate walls.
   在一些频率，它能穿透墙壁。
2. Confined waves have definite frequencies.
   被限制的波具有确定的频率。

权威例句

Spontaneous Emission Probabilities at Radio Frequencies
Spontaneous Emission Probabilities at Radio Frequencies
On uniform convergence of the frequencies of events to their probabilities
Metamaterial electromagnetic cloak at microwave frequencies.
Maximum-likelihood estimation of molecular haplotype frequencies in a diploid population
A measure of population subdivision based on microsatellite allele frequencies.
Relationships between the carbon-oxygen stretching frequencies of carboxylato complexes and the type of carboxylate coordination
Harmonic Vibrational Frequencies:  An Evaluation of Hartree−Fock, Møller−Plesset, Quadratic Configuration Interaction, Density F...
ChemInform Abstract: GROUND STATES OF MOLECULES. 37. MINDO 3 CALCULATIONS OF MOLECULAR VIBRATION FREQUENCIES
Inference of Population Structure Using Multilocus Genotype Data: Linked Loci and Correlated Allele Frequencies