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frequency

时间:2021-09-10 06:05人气:来源: 未知
n. 频率, 频数
【计】 频率
【化】 频率; 频数
【医】 频率
【经】 频率名词复数:frequencies 

名词 frequency:

  1. the number of occurrences within a given time period
    同义词:frequence, oftenness
  2. the ratio of the number of observations in a statistical category to the total number of observations
    同义词:relative frequency
  3. the number of observations in a given statistical category
    同义词:absolute frequency
  1. We can often correlate age with frequency of illness.
    年龄的大小往往与发病率有关。
  2. Any one of the numbers or values in a series dividing the distribution of the individuals in the series into ten groups of equal frequency.
    十分位数指把一系列的数字或价格按相等的出现频率分成十组后的其中任何一个数字或价格
  3. He varied the transmission frequency.
    他变换了无线电传送的频率。
  4. Accidents on that highway are happening with increasing frequency.
    那条高速公路上车祸发生得越来越频繁。

fre.quen.cy

n.(名词)
【复数】 fre.quen.cies 缩写 freq.
The property or condition of occurring at frequent intervals.
频繁性:有规律间歇出现的特性或情况
Mathematics Physics The number of times a specified phenomenon occurs within a specified interval, as:
【数学】 【物理学】 频率,次数:某特定现象在特定间歇时间内发生的次数,如
The number of repetitions of a complete sequence of values of a periodic function per unit variation of an independent variable.
频率:当自变量变化一个单位时,周期函数取同一完整数序的重复次数
The number of complete cycles of a periodic process occurring per unit time.
次数:单位时间内周期过程中发生的次数
The number of repetitions per unit time of a complete waveform, as of an electric current.
频率:单位时间内某种完整波动的重复次数,例如电流
Statistics
【统计学】
The number of measurements in an interval of a frequency distribution.
频率分布:一次频率分布的区间内计算的数量
The ratio of the number of times an event occurs in a series of trials of a chance experiment to the number of trials of the experiment performed.
频数:一系列实验中偶然现象次数与所做的一系列实验的次数的比率

来源:
Latin frequentia [multitude]
拉丁语 frequentia [众多]
from frequôns frequent- [crowded, numerous, frequent]
源自 frequôns frequent- [塞满的,为数众多的,频繁的]


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