frequency 详细解释
frequency
['fri:kwənsi]
n.频繁, 频率
n.
1. 频繁, 屡次[U]
Accidents are happening with increasing frequency.
事故正在愈加频繁地发生。
2. 频率, 次数[C]
the frequency of death
死亡频率
3. 【物】频率; 周率[C][U]
This radio station broadcasts on three different frequencies.
这家电台以三种不同的频率广播。
词形变化
名词复数: frequencies |
英英释义
名词 frequency:
the number of occurrences within a given time period
the ratio of the number of observations in a statistical category to the total number of observations
the number of observations in a given statistical category
补充
frequencyfrequency英:[ˈfri:kwənsi] 美:[ˈfrikwənsi]n.1.(某事发生可重复的)频率Fatal accidents have decreased in frequency over recent years.近年来死亡事故发生的频率已经下降。2.经常发生, 频繁Accidents are happening with increasing frequency.事故发生得越来越频繁。3.(声波或无线电波的)振动频率; 波段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。例句
1. We are concerned at the high frequency of racial attacks in the district.我们关心的是这个地区高频率的种族攻击。 2. The tanks broke down with increasing frequency.坦克故障越来越频繁。 3. Serious disasters appear to be increasing in frequency.重大灾害的发生越发频繁。 4. You can't hear waves of such a high frequency.你无法听到如此高频的声波。 5. a frequency of 24 kilohertz24千赫的频率 6. low frequency waves低频波 7. shops have closed with increasing frequency during the period.在这段时期里已有越来越多的商店歇业。 8. Fatal accidents have decreased in frequency in recent years.近几年死亡事故发生的频率已经下降。 9. The frequency of child deaths from cancer near the nuclear power station is being investigated.在核电厂附近地区，经常有儿童死于癌症，有关当局对这个现象正在进行调查。 10. high-frequency/low-frequency sounds高╱低频声 11. the alarming frequency of serious automobile accidents caused by young drivers年轻司机引起的严重交通事故的令人震惊的频发 12. The frequency of student errors was frustrating to the young teacher.学生频繁出错让那位年轻的教师感到沮丧。 13. The frequency of our visits decreased [=our visits occurred less often] during the school year.上学期间我们的参观次数减少了。 14. Our visits decreased in frequency.我们参观的次数减少了。 15. Errors were occurring with increasing frequency.错误出现得越来越多。 16. high/low frequency高/低发生率 17. a sound wave of high/low frequency高/低频声波 18. waves having very different frequencies from one another频率迥异的波 19. high/low frequencies高/低频率 20. a current having a frequency of 60 hertz频率为60赫兹的电流 21. a radio frequency of 30 megahertz*30兆赫的无线电频率热门单词推荐
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