frequency的意思和读音

frequency

: [ˈfrikwənsi] : [ˈfriːkwənsi]

n.

frequencies  

adj.+n.high frequency,same frequency,resonant frequency,great frequency,angular frequency

v.+n.reduce frequency,increase frequency,use frequency

n.incidence,occurrence,regularity,rate

frequencyn.

1.[u][c]the rate at which sth happens or is repeated

Fatal road accidents have decreased in frequency over recent years.

a society with a high/low frequency(= happening often/not very often) of stable marriages

The program can show us word frequency(= how often words occur in a language) .

2.[u]the fact of sth happening often

the alarming frequency of computer errors

Objects like this turn up at sales with surprising frequency.西

3.[c][u]the rate at which a sound or electromagnetic wave vibrates(= moves up and down)

a high/low frequency

4.[c][u]线the number of radio waves for every second of a radio signal

a frequency band

There are only a limited number of broadcasting frequencies.广

n.1.(),;;【,2.,,

n.1.the number of times that something happens during a period of time; the number of instances of something; used for saying that something happens a lot2.the rate at which a sound wave, light wave, or radio wave vibratesmoves up and down; the wavelength on which a radio program is broadcast

1. ( Time) ( Frequency) ( Layout-specific) ...

2. denigration n. frequency n. beneficial effect ...

5. fractional factorial design frequency F-test F ...

6. → frequently frequency → refresh 使 ...

7.(frequency),.:,75%

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1.As the operating frequency reaches over gigahertz , the effect of inductance can no longer be ignored as it used to be.亿

2.The frequency and high cost of this has led to reluctance by some operators to have this maintenance done at the required frequency.

3.Exposing such a lens to high-frequency sound waves breaks it up into an emulsion that can then be sucked out of the eyeball.使

4.The frequency of one-on-one time is up to you, but the children I interviewed said at least once a month is the minimum.

5.In the paper, three field circuit ground protections with low frequency voltage injection which have been used are introduced.

6.Frequency of torque signal is consistent with that of force vibration. Amplitudes of radial pulsation signal increases as tapping continues.

7.The injury was more obviously increased as the time of radiation was extended and the frequency of irradiation was increased.

8.The permanent-magnetism frequency-conversion momental motor used for a lathe is in the drawing.

9.The numerical example shows that this model can be used to determine the departure frequency of a bus route with high frequency service.线

10.Since then, the term "water hole" has been used to refer to searches at or around the hydrogen emission frequency.,“