frequency
/ˈfɹiːkwənsi/
含义 1
the rate of radio waves' cycles per second
“They tuned the radio to the right frequency.”
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含义 2
how often something occurs over time
“The frequency of her visits surprised everyone at home.”
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含义 3
radio wave band used for communication
“The station broadcasts on a frequency of 101.5 FM.”
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