英 [ˈfriːkwənsi] 美 [ˈfriːkwənsi]
n. 出现次数；频繁；频率
复数frequencies
frequency /ˈfriːkwənsɪ/ CET4 TEM4
不可数名词 The frequency of an event is the number of times it happens during a particular period. 频率
The frequency of Kara's phone calls increased rapidly.
卡拉打电话的频率迅速增加。
有变体名词 In physics, the frequency of a sound wave or a radio wave is the number of times it vibrates within a specified period of time. (物理学) 频率
You can't hear waves of such a high frequency.
你听不到这么高频率的声波。
...a frequency of 24 kilohertz.
…24千赫的频率。
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
频率-引用次数：2813
Wavelet analysis is the widely used time-frequency tool.
小波分析是目前国际上最新的也是应用最广泛的时间-频率分析工具。
频谱分析-引用次数：142
Through vibration frequency spectrum analysis of no-tillage seeder in field, its vibration characteristics were obtained.
通过对播种机的田间振动频谱分析，得到了它的的振动特征。
频度-引用次数：140
As the frequency and the semantic feature of the words are combined, the quality of clustering is improved.
词的频度和语义特征相结合后,提高了文本聚类的性能。
参考来源基于边界距离的文本聚类方法研究
频数-引用次数：215
Methods: A hospital-based frequency matched case-control study was conducted.
方法:采用以医院为基础的频数匹配病例对照研究方法。
发生率-引用次数：92
The frequency of symptom and sign in lower limb DVT was 27.5%.3.
下肢DVT症状和体征发生率为27.5%。
参考来源肺动脉栓塞症40例临床分析
（脉搏的）每分钟搏动次数
频次-引用次数：37
In addition, the figures of locust plague frequency of the three subspecies of migratory locusts were drawn on 100-year scale.
此外,还绘制了历代三大飞蝗灾害发生的百年频次图。
频域-引用次数：195
Study on the detection of the frequency-shift in both the time domain and the frequency domain is provided in this paper.
本文从时域和频域两个方面对移频信号的检测进行研究。
参考来源移频信号检测方法的研究与应用
频域-引用次数：49
The theory coming from classical frequency domain can resolve the problem of robust, but it has a bad performance in multiple I/O systems. So we give the method of the H_∞loop shaping to design the controller.
经典频域设计理论能够解决系统的鲁棒性问题,却不能很好的应用于多输入多输出系统,因此,本文选用了H_∞回路成形法来设计控制器。
参考来源四旋翼直升机控制问题研究
效率-引用次数：4
参考来源论我国政府公共危机管理能力
步频-引用次数：7
The step frequency of hurdle race athletes is faster than that of sprint and long jump athletes and there are very significant difference(P<0.01).
步频上,跨栏运动员快于短跑和跳远运动员,存在非常显著差异(P<0.01)。
词频-引用次数：31
Subjects tended to select word that they had learned before. The frequency of word had significant influence on preference, preference effect was larger when the words were high frequency.
实验一(A)在消极启动情况下对词频与偏好效应的关系进行了测量，实验结果发现，汉语识别中存在偏好效应，被试倾向于选择先前学习过的项目；偏好效应受词频变化的影响，在高频词时有更大的偏好效应。
参考来源汉语短时识别中的偏好效应
频率
频数
频度
周率
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频
周率
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...。4.带宽与传输速率在模拟信道中，以带宽表示传输信息的能力。带宽是以信号的最高频率和最低频率之差表示的，既频率的范围。频率（Frequency）是模拟信号波每秒的周期数，用Hz、kHz、MHz或GHz作为单位。
戴德里克《黑洞频率》（Frequency）：是否最好不要改变过去"这么好用的球员却只能在皇马打替补，太可惜了……
山西省近四十年暴雨变化趋势分析-毕业论文网 关键字：暴雨；时空变化；频次 [gap=974]Key words: Rainstorm; Space and time change; Frequency
世界华人消化杂志 Key Words: Hepatitis B virus; CD11c+ myeloid dendritic cell; Frequency; Phenotype [gap=830]关键词: 乙型肝炎病毒; CD11c+髓样树突状细胞; 频数; 细胞表型
frequent 频繁的；时常发生的；惯常的
frequently 频繁地，经常地；时常，屡次
frequent 常到，常去；时常出入于
[物]频率；频繁
You can't hear waves of such a high frequency.
你听不到这么高频率的声波。
The frequency of Kara's phone calls increased rapidly.
卡拉打电话的频率迅速增加。
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。
Then they use radio frequency energy to heat the tissue around the catheter.
VOA : special.2010.03.02
So, let's say they were expecting to see one certain frequency or one line in the spectrum at this point here.
比如说他们预计会看到某个特定的频率,或者在这里看到一个谱线。
化学原理课程节选 : 麻省理工公开课
Just remembering that violet is the end that actually has the shortest wavelength, which means that it also has, of course the highest frequency.
就知道了，所以这应该,不是问题，记住紫色光，最后一个，它的波长最短,也就意味着它的频率最高。
化学原理课程节选 : 麻省理工公开课
But there is a limited amount of radio frequency spectrum available.
VOA : special.2010.03.19
Other anti-counterfeit efforts include the use of radio frequency identification tags.
VOA : special.2010.03.01
One of the largest high-frequency trading firms recently plucked one of his best engineers.
The slower signals are sent using a different antenna using the same frequency channel.
Heightened degrees and frequency of risk taking are a given considering how cheap money is.
“Frequency”是个多义词，它可以指Frequency（词语）, Frequency（2000年美国电影）。