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frequency
- IPA[ˈfrēkwənsē]
美式
- the rate at which something occurs or is repeated over a particular period of time or in a given sample；the fact of being frequent or happening often.
noun: frequency, plural noun: frequencies
- 釋義
- 相關詞
名詞
- 1. the rate at which something occurs or is repeated over a particular period of time or in a given sample an increase in the frequency of accidents due to increased overtime shops have closed with increasing frequency during the period
- ▪ the fact of being frequent or happening often.
- ▪ the ratio of the number of actual to possible occurrences of an event.
- ▪ the (relative) number of times something occurs in a given sample.
- 2. the rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second different thicknesses of glass will absorb different frequencies of sound
- ▪ the particular waveband at which a radio station or other system broadcasts or transmits signals a radio station on a single AM radio frequency a coding sequence to ensure that everyone changes frequency in the correct manner
- the dependence on signal frequency of the output–input ratio of an amplifier or other device.
Oxford American Dictionary
- a frequency of oscillation capable of being perceived by the human ear, generally between 20 ...
Oxford American Dictionary
- the frequency at which a system oscillates when not subjected to a continuous or repeated ...
Oxford American Dictionary
- a mathematical function showing the number of instances in which a variable takes each of its ...
Oxford American Dictionary
- (in radio) a frequency of 3–30 megahertz: high-frequency words high-frequency hearing loss
Oxford Dictionary
- (in radio) a frequency of 3–30 megahertz: high-frequency words high-frequency hearing loss
Oxford American Dictionary
- the lowest frequency which is produced by the oscillation of the whole of an object, as ...
Oxford Dictionary
- a mathematical function showing the number of instances in which a variable takes each of its ...
Oxford Dictionary
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- IPA[ˈfriːkw(ə)nsi]
英式
- the rate at which something occurs over a particular period of time or in a given sample: an increase in the frequency of accidents due to increased overtime shops have closed with increasing frequency during the period
Oxford Dictionary
