frequency
/ˈfɹiːkwənsi/ 名词 B1中文： 频率、频度、次数、常常
- The rate of occurrence of anything; the relationship between incidence and time period. · With growing confidence, the Viking’s raids increased in frequency.· The frequency of bus service has been improved from one every 15 to one every 12 minutes.
- The property of occurring often rather than infrequently. · The FAQ addresses questions that come up with some frequency.· The frequency of the visits was what annoyed him.
- The quotient of the number of times n a periodic phenomenon occurs over the time t in which it occurs: f=n/t. · The frequency of the musical note A above middle C is 440 oscillations per second.· The frequency of a wave is its velocity v divided by its wavelength #92;lambda: f#61;v#47;#92;lambda.
- A tone, character, mood, or vibe
- number of times an event occurred in an experiment (absolute frequency)
- range of electromagnetic waves used for wireless communication in devices like radios, TVs and mobile phones
复数 frequencies
来自图书馆
He quickly discovered that the Mississippi was not a static entity but rather a living, breathing organism that altered its course with dizzying frequency.
Arthur discovered that the mathematical principles governing acoustic frequencies shared a remarkable kinship with the harmonious balance required in bridge construction.
在真实文章中学习frequency
注册免费账号后，在图书馆中把鼠标悬停在任何单词上即可看到意思，还能听朗读、收藏单词并按你的记忆安排复习，看到每本书你已经认识多少。