English Dictionary

frequency

/ˈfɹiːkwənsi/

noun

(uncountable or countable) The rate of occurrence of anything; the relationship between incidence and time period. / (uncountable) The property of occurring often rather than infrequently.

The frequency of earthquakes in this region is quite high.

意味（1）

(uncountable or countable) The rate of occurrence of anything; the relationship between incidence and time period.

With growing confidence, the Viking’s raids increased in frequency.

意味（2）

(uncountable) The property of occurring often rather than infrequently.

The FAQ addresses questions that come up with some frequency.

意味（3）

(countable) 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.

意味（4）

(statistics) number of times an event occurred in an experiment (absolute frequency)