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frequency

英[ˈfriːkwənsi]
美[ˈfriːkwənsi]
高中CET4CET6GRE考研

基本释义

  • n.频繁性; [数][物]频率，次数; 频率分布

词性变化

实用例句

The program can show us word frequency (= how often words occur in a language) .

这个程序可给我们显示词频。

牛津词典

the alarming frequency of computer errors

计算机出错惊人的频繁

牛津词典

Objects like this turn up at sales with surprising frequency.

这样的东西在拍卖会上出人意料地频繁出现。

牛津词典

a high/low frequency

高 / 低频

牛津词典

a frequency band

频带

牛津词典

There are only a limited number of broadcasting frequencies.

只有数量有限的广播频率。

牛津词典

a society with a high/low frequency (= happening often/not very often) of stable marriages

婚姻稳定率高 / 低的社会

牛津词典

Fatal road accidents have decreased in frequency over recent years.

近年来致命交通事故发生率已经下降。

牛津词典

...a frequency of 24 kilohertz.

24 千赫的频率

You can't hear waves of such a high frequency.

如此高频率的声波是无法听到的。

The frequency of Kara's phone calls increased rapidly...

卡拉的电话飞速增多。

The tanks broke down with increasing frequency.

坦克越来越频繁地熄火。

It gives the resonance frequency, effective electeromechanical coupling coefficients.

本文给出了这种换能器的共振频率 、 效机电耦合系数及实验结果.

期刊摘选

If unable to contact Kun Ming Control, revert to this frequency.

如不能联系昆明管制, 回到这个频率.

期刊摘选

For lossless digitization, the sampling rate should be at least twice the maximum frequency response.

我们要获得一个无损的采样, 就必须以波形最高允许频率的两倍作为采样率.

期刊摘选

The results revealed mild lowering contrast sensitivity at high spatial frequency for our glaucoma patients.

然而特定轴度之闪光眩耀测试结果并未见明显差别.

期刊摘选

Calibration System is a very important part of Radio Frequency Simulation System ( RFSS ).

校准系统是射频仿真系统 ( RFSS ) 的重要组成部分.

期刊摘选

The computing method for natural frequency of feeding machine is introduced.

介绍了吐丝机固有频率的电算方法.

期刊摘选

This allows the ear nerve to be tempered, frequency noise damage, there is a certain subduction.

这样可以让耳朵的神经得到锻炼, 对低频噪音的伤害, 有一定的消减作用.

期刊摘选

Experimental results demonstrate effectiveness of scaling for invariance to the effect of transducer frequency.

实验结果验证了频率一致性处理方法的有效性,能够消除换能器频率对分类的影响.

期刊摘选

The real part of the impedance R is a of frequency.

该阻抗的实部R是频率的函数.

期刊摘选

Procedures realize the cyclical nature of a single frequency tone.

程序中实现单一频率的周期性提示音.

期刊摘选

Are filters managed properly? Clean frequency, renew frequency?

过滤器管控是否恰当? 清洁频率, 更新频率是 多少 ?

期刊摘选

Purpose: Audio frequency output amplifier.

用途: 音频输出放大.

期刊摘选

Transistor high frequency generator, fast heating speed, high efficiency, low power consumption.

晶体管式高频发生器, 加热速度快, 效率高, 耗电少.

期刊摘选

By vibration mechanics theory the calculating formula of natural frequency of hanging pipe water is established.

用振动力学推导出了管道悬空段固有频率的计算公式,管道悬空段的长度越大,其固有频率越低.

期刊摘选

The principles and advantages of instantaneous frequency in wavelet domain are briefly discussed.

小波变换域瞬时频率分析方法是地震资料分析的重要工具.

期刊摘选

Can measure frequency and cycle. 8846 A still can measure capacitance and temperature.

能够测量频率和周期. 8846A还能够测量电容和温度.

期刊摘选

Spread spectrum has two distinct flavors: direct sequence and frequency hopping.

该技术有两个明显的变型: 直接顺序与跳频.

期刊摘选

真题例句

That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.

出自-2016年12月阅读原文

Security devices are required to list the frequencies they broadcast on—that means that a potential thief can find what they need to know with minimal Googling.

出自-2016年12月阅读原文

It's easier to find and acquire jamming equipment for some frequencies than it is for others.

出自-2016年12月阅读原文

Burglars can easily get a security device's frequency by Internet search.

出自-2016年12月阅读原文

Any device that's built to receive a wireless signal at a specific frequency can be overwhelmed by a stronger signal coming in on the same frequency.

出自-2016年12月阅读原文

Increasingly, researchers have begun to look at the quality of relationships, rather than at the frequency of contact, between the elderly and their children.

2016年6月四级真题（第一套）阅读 Section A

with the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?

2016年12月四级真题（第一套）阅读 Section B

If we can help to direct students to more of these types of campuses and help students to understand them to be realistic and accessible places, have them apply to these schools at greater frequency and ultimately get in and enroll, we are going to raise the success rate, Rubinoff said, citing a variety of colleges ranging from large state institutions to smaller private schools.

出自-2015年12月阅读原文

For this he and his wife received the Nobel Prize for physics in 1910, and did so again in 1912 for their work on very high frequency radio waves.

出自-2013年12月听力原文

Their work on very high frequency radio waves

出自-2013年12月听力原文

"If we can help to direct students to more of these types of campuses and help students to understand them to be realistic and accessible places, have them apply to these schools at greater frequency and ultimately get in and enroll, we are going to raise

2015年12月六级真题（第三套）阅读 Section B

If we can help to direct students to more of these types of campuses and help students to understand them to be realistic and accessible places, have them apply to these schools at greater frequency and ultimately get in and enroll, we are going to raise

2015年12月六级真题（第三套）阅读 Section B

Though often viewed as a problem for western states, the growing frequency of wildfires is a national concern because of impact on federal tax dollars, says Professor Max Moritz, a specialist in fire ecology and management.

2017年考研真题（英语二）阅读理解 Section Ⅱ

英英释义

Noun

  • 1. the number of occurrences within a given time period (usually 1 second);

    "the frequency of modulation was 40 cycles per second"

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

  • 3. the number of observations in a given statistical category

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