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IELTS BNC: 2406 COCA: 3009
frequency

noun¹

1rate at which sth happens發生頻率ADJECTIVE | VERB + FREQUENCY | PREPOSITION ADJECTIVEgreat高發率increased, increasing增高的/越來越高的頻率reduced降低的頻率estimated, expected估計的/期望的頻率different, same, similar不同的/相同的/相似的頻率relative相對發生率The relative frequency of this illness in the area is of concern to all doctors.所有的醫生都關注這種病在該地區相對頻繁的發生率。alarming令人擔心的頻率Bullets bounced off the rock with alarming frequency.子彈頻頻打在石頭上又彈射出去,令人心驚膽戰。VERB + FREQUENCYdecrease in, increase in頻率下降/上升These incidents have increased in frequency.這些事件的發生率上升了。decrease, increase, reduce降低/增加/減少頻率The drug can reduce the frequency and severity of attacks.這種藥能降低發病次數和嚴重程度。assess, calculate, compare, determine, estimate, measure, observe評估/計算/比較/決定/估計/測量/觀測頻率affect, change影響/改變頻率PREPOSITIONwith frequency以⋯的頻率Accidents of this sort are happening with increasing frequency.這類事故發生得越來越頻繁。
frequency

noun²

2of a wave波的頻率ADJECTIVE | FREQUENCY + NOUN ADJECTIVEhigh, low高頻;低頻microwave, radio, vibration, wave微波頻率;射(電)頻(率);振動頻率;波頻signal信號頻率FREQUENCY + NOUNrange, spectrum頻率範圍;頻譜band頻帶modulation頻率調制

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