frequency意思是頻率。
英
[?fri?kw?nsi]
美
[?fri?kw?nsi]
詞典：
頻率
釋義：
n. 頻率；頻繁
例句：
It is well known that dolphins can hear extremely high-frequency?sounds.
眾所周知，海豚能夠聽到極高頻率的聲音。
變形：
復數
frequencies
1It is well known that dolphins can hear extremely high-frequency sounds.
眾所周知，海豚能夠聽到極高頻率的聲音。
2Frequency?is the number of times periodic changes are completed per unit time.
頻率是單位時間內完成周期性變化的次數。
3According to statistics, the?frequency?of car accidents increased this week.
據統計，本周車禍發生率有所增加。