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English definition of “Doppler effect”

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Doppler effect

noun [U]  /ˈdɑp·lər ɪˌfekt/ us  
physics a change that someone experiences in the frequency of waves , for example, of sound or light, when the distance between that person and the origin of the waves changes
Translations of “Doppler effect”
in Chinese (Traditional) 多普勒效應…
in Chinese (Simplified) 多普勒效应…
(Definition of Doppler effect from the Cambridge Academic Content Dictionary © Cambridge University Press)
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