frequency是什么意思

时间：2026-03-20 12:52:18

单词 frequency

标签高中四级六级考研 GRE

音标英 [ˈfriːkwənsi] 美 [ˈfriːkwənsi]

释义 n. 频度；频率；振动频率；频繁；频带；波段

变形形容词 frequent 复数 frequencies

frequency 常用

短语搭配

(1)high frequency高频

(2)low frequency低频

(3)radio frequency射频；无线电频率

(4)frequency response频率响应

(5)natural frequency自然频率；固有频率

(6)frequency modulation调频；频率调制

(7)intermediate frequency中（间）频

(8)video frequency视频（率）

(9)medium frequency中频

(10)frequency distribution频数分布

(11)audio frequency音频

(12)fundamental frequency基频

(13)ultra-high frequency超高频；特高频

(14)beat frequency拍频；差频

(15)angular frequency角频率

(16)frequency division multiplex分频多路传输

(17)Nyquist frequency奈奎斯特频率

(18)frequency domain频域；频率范围

(19)frequency converter变频器；频率变换器；频率转换器

(20)frequency band频带；频段；频率带

(21)frequency range频率范围；频率区间；频率幅度

(22)radio frequency identification射频识别；射频识别技术；无线射频识别

(23)resonant frequency谐振频率；共振频率；共鸣频率

(24)same frequency相同频率；同样的频率

(25)time frequency时间频率；时频

(26)clock frequency时钟频率

(27)use frequency使用频率

(28)fixed frequency固定频率

(29)central frequency中心频率

(30)relative frequency相对频率；相对频度

(31)frequency factor频率因子；频率因素

(32)cumulative frequency累积频率；累计频数

(33)harmonic frequency谐波频率

(34)frequency counter频率计数器；频率计

(35)sum frequency和频；总频率

(36)great frequency非常频繁

(37)reduce frequency降低频率

(38)increase frequency增加频率

(39)subcarrier frequency副载波频率；子载波频率

(40)frequency polygon（统计）频率多边形；频率多边图

(41)circular frequency圆频率；圆周率

(42)select frequency选频

(43)turnover frequency更替频率；转换频率

双语例句

(1)It is well known that dolphins can hear extremely high-frequency sounds.

众所周知，海豚能够听到极高频率的声音。

(2)Frequency is the number of times periodic changes are completed per unit time.

频率是单位时间内完成周期性变化的次数。

(3)According to statistics, the frequency of car accidents increased this week.

据统计，本周车祸发生率有所增加。

(4)Road accidents have declined in frequency over recent years.

近年来交通事故发生率已经下降

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

你听不到这么高频率的声波。

(6)The frequency of Kara's phone calls increased rapidly.

卡拉打电话的频率迅速增加。

(7)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。

(8)Their instruments detected very faint radio waves at a frequency of 3 kilohertz.

他们的仪器探测到了频率为3千赫的非常微弱的无线电波。

(9)Regular repeating actions such as sound waves, light waves, or radio waves have a certain frequency, or number of waves per second.

有规律的重复活动如声波、光波、无线电波都有一个特定的频率，或者说是每秒的波动次数。

同义词

n. 频率；频繁

periodicity

词根词缀

同根词 frequ 经常的

(1)frequent adj. 频繁的；时常发生的；惯常的；经常做某事的；间隔很近的；快的；急的

-ency 性质, 状态

(1)presidency n. 总统职务；总统任期；圣餐主持

(2)agency n. 代理；中介；代理处；代办处；作用；机构；办事处；起作用的事物

(3)competency n. 资格；能力

(4)tendency n. 趋势；趋向；倾向；政治社团

(5)contingency n. 可能发生的事件；不确定的事件；偶然性；意外；应急储备；可能性；不测；应急措施；应急开支

(6)emergency n. 紧急情况；不测事件；预备队员；替补队员；第二次世界大战；急诊病人；急症病人；紧急情况下出现（或所需、使用）的；急诊室

(7)fluency n. 流畅；流利；外语说写流利（或流畅）的能力；流畅的表达能力；优美自如

(8)currency n. 通货；货币；通用；流通；通行；流行；流通（或流行）时间

同根词

词根 frequent

(1)frequent adj. 频繁的；时常发生的；惯常的vt. 常到，常去；时常出入于

(2)frequently adv. 频繁地，经常地；时常，屡次

frequency 牛津

释义

[mass noun]the rate at which something occurs or is repeated over a particular period of time or in a given sample

频度，频率

shops have closed with increasing frequency during the period.

　在这段时间里已有越来越多的商店歇业。

the fact of being frequent or happening often

频繁。

the rate at which a vibration occurs which constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second. (Symbol: f or v).

（波的）振动频率（符号）

或v）。

the particular waveband at which a radio station or other system broadcasts or transmits signals

（电台或其他系统广播或传输信号的）频带，波段。

类似拼写词

frequency n. 频度；频率；振动频率；频繁；频带；波段

frequently adv. 频繁地；经常地；时常

词源

"mid 16th cent. （gradually superseding late Middle English frequence; originally denoting a gathering of people）：　from Latin frequentia, from frequens, frequent- ‘crowded, frequent’."

frequency 高考

考纲分布

近12年出现0次

重要程度: 2星

0%; n 频率; 频繁

考纲释义

( 1)n. 频率; 频繁

必考派生词

infrequent adj. 不经常发生的；偶有的；罕见的

frequently adv. 频繁地；经常地；时常

frequency n. 频度；频率；振动频率；频繁；频带；波段

frequency 四级

考纲分布

近9年出现9次

重要程度: 5星

100%; n (振动)频率

0%; n 发生率; 频率

考纲释义

( 1)n. (振动)频率

英文释义：the number of repetitions of a periodic process in a unit of time

( 2)n. 发生率; 频率

英文释义：rate of occurrence

真题例句：

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

研究人员已经开始关注老人和子女之间关系的质量，而不是联系的频率。[2016年 CET4 阅读理解]

必考派生词

infrequent adj. 不经常发生的；偶有的；罕见的

frequently adv. 频繁地；经常地；时常

frequency n. 频度；频率；振动频率；频繁；频带；波段

frequency 六级

考纲分布

近9年出现4次

重要程度: 4星

100%; n 发生率; 重复率

0%; n (振动)频率

考纲释义

( 1)n. 发生率; 重复率

英文释义：the rate at which something happens or is repeated

真题例句：

Requiring private insurers to reimburse doctors for services delivered remotely, though not necessarily at the same rate or frequency.

要求私人保险公司为医生远程提供的服务进行补偿，尽管不一定以相同的比率或频率。[2020年 CET6 阅读理解]

Those spending 10-19 hours per week on their devices were 41 percent more likely to be unhappy than lower-frequency users.

比起相对不那么频繁的使用者来说，那些每周花在电子设备上的时间达到10-19个小时的人群中，41%更容易感到不开心。[2019年 CET6 阅读理解]

( 2)n. (振动)频率

英文释义：the number of repetitions of a periodic process in a unit of time

真题例句：

Newly launched satellites don't use radio frequencies that would interfere with existing satellites, and schedule when such new satellites can be launched.

新发射的卫星不会使用干扰现有卫星的无线电频率，并会计划何时发射此类新卫星。[2019年 CET6 阅读理解]

必考派生词

infrequent adj. 不经常发生的；偶有的；罕见的

frequently adv. 频繁地；经常地；时常

frequency n. 频度；频率；振动频率；频繁；频带；波段