| 词汇 | doppler-effect |
| 释义 | Doppler effect noun[ U ] physics specializeduk /ˈdɒp.lər ɪˌfekt/ us /ˈdɑː.plɚ ɪˌfekt/(alsoDoppler shift) a change that seems to happen in the rate of sound or light wave production of an object when its movement changes in relation to another object多普勒效应 Physics: particular theories & concepts aphelion azimuth conservation cryogenics dark matter emergence emergent kinetics momentum perigee perihelion Planck's constant quantum refraction relativistic relativity speed of sound spring constant time dilation wormhole Doppler effect | American DictionaryDoppler effect noun[ U ] us/ˈdɑp·lər ɪˌfekt/ 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 |
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