Frequency
[ 'frikwənsi ]
第5级
其它 Other
n. 频繁性;[数][物]频率，次数;频率分布;
💡 词根助记
fr + equ =equal,even,表示“相等，平均” + enc + y [形容词后缀] → n.屡次；次数；频率
📝 例句
△W is the radian frequency deviation from the center frequency.
△W 是角频率与中心频率的偏离值。
Its frequency response has to be flat over the whole audio range.
它的频率响应在整个音频范围内有所下降。
The frequency and amplitude of vibration are monitored.
振动的频率与振幅受到监控。
Accidents are happening with increasing frequency.
事故正在愈加频繁地发生。
The angular frequency of the disturbing force called the impressed frequency.
扰动力的角频率称为外加频率。
🌱 联想助记
【记】谐音“狐狸困死”:狐狸被困死,想尽了办法千方百计屡次都逃不了
✅ 同义词
🔴 反义词
📖 牛津释义
frequency
n
1 [U]
(a) rate of occurrence or repetition of sth, usu measured over a particular period of time （某事发生或重复的）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.
the alarming frequency of computer errors 计算机差错惊人的频密.
(b) fact of being frequent or happening often 屡次; 频繁
the frequency of premature births in this region 该地区早产情况的频繁.
2 [C, U] rate at which a sound wave or radio wave vibrates; band or group of similar frequencies （声波或无线电波的）振动频率; 波段:high-/low-frequency sounds 高[低]频的声音
a musical note with a frequency of 256 vibrations per second 振动频率为每秒256次的音调
In the evening this station changes frequency and broadcasts on another band. 该电台晚上改变频率, 在另一波段播音.
🎯 考研助记
狐狸困死(谐音）：,狐狸被困死，想尽了办法千方百计 屡次都逃不了
🔁 扩展释义
*['fri:kwәnsi]n. 频率, 频数【计】 频率【化】 频率; 频数【医】 频率【经】 频率
🏥 医学释义
周率，频率（单位是赫兹：周/秒）
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
How are you getting to the airport? Is anybody seeing you off?
你打算怎样去机场？有人送你吗？
You must weigh it carefully.
你必须仔细地称一称重量。
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。