high-frequency
英
['haɪ'friːkwənsɪ]
美
['haɪ'friːkwənsɪ]
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名词 high frequency:
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3 to 30 megahertz
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a pitch that is perceived as above other pitches
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用作形容词 (adj.)
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This factory experiences high levels of absenteeism.
这家工厂出现高频率的旷工。
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There is a whole world of high frequency sound that is silent to human ears.
人类耳朵听不见世界上高频率的声音。
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海词词典,十七年品牌