1. 名詞
   頻率, 發生率
   周率
   /以上可為可數與不可數名詞/
   可數名詞:
   次數
   /以上複數為"frequencies"/
   限定不可數名詞:
   頻繁, 屢次
   不可數名詞:
   radio frequency:
   

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   同義字詞
   commonness,frequence,frequentness,prevalence
   

例句

1. This is known as " frequency flipping".
2. However this frequency is just above the 2 m .
3. The minimum frequency for such checks is annual.
4. The frequency increases when the amplitude decreases.
5. The amplitudes of the frequency components are quantized.
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