frequency的词典解释

1. 频繁，屡次，不断，频仍，经常发生
2. 频率，频度，周率，次数，出现率，发生率，重复率
3. 【物】频率（无线电信号每秒电波数）
4. 拍频
5. 发病率
6. 振动频率
7. 黑洞频率

1. 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"
   

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

1.频率;发生次数
Thefrequency of an event is the number of times it happens during a particular period.

e.g. Thefrequency of Kara's phone calls increased rapidly...
卡拉的电话飞速增多。
e.g. The tanks broke down with increasingfrequency.
坦克越来越频繁地熄火。

2.(声波或无线电波的)频率，周率
In physics, thefrequency of a sound wave or a radio wave is the number of times it vibrates within a specified period of time.

e.g. You can't hear waves of such a highfrequency.
如此高频率的声波是无法听到的。
e.g. ...afrequency of 24 kilohertz.
24 千赫的频率

1. Traffic accidents have decreased in frequency over recent years.
   近年来交通事故发生的频率已经下降。
2. The frequency of his visits annoyed her.
   她对于他的频繁来访感到厌烦。
3. Accidents are happening with increasing frequency.
   事故发生得越来越频繁。
4. If we can know their frequency we will monitor their talking.
   如果我们知道他们的频率,我们就能监听他们的谈话。
5. This radio station broadcasts on four different frequencies.
   这家无线电台用四种不同的频率播放节目。

• alarming frequency惊人的频率
• high〔low〕 frequency高〔低〕频
• increasing frequency越来越频繁

• radio frequency无线电频率
• word frequency词的出现频率

• at〔with〕 frequency以…的频率
• be on the frequency for a channel正接收某频道

• ☆ 直接源自拉丁语的frequentia，意为频率，周率。