| 单词 | Doppler shift |
| 释义 | Doppler shift (once / 590966 pages) n WORD FAMILY Doppler shift: Doppler shifts USAGE EXAMPLESThat motion would, in turn, shorten or stretch the time between pulses from pulsars in different directions, in an effect akin to the Doppler shift. Science Magazine(Dec 22, 2016) Because it used this information to pre-correct its transmission frequency, the Doppler shift cannot be used to figure out the plane’s instantaneous velocity. Slate(Jun 09, 2014) The velocities derived from the Doppler shifts indicated that all five Cepheids belong to our galaxy. Nature(Jun 01, 2014) n change in the apparent frequency of a wave as observer and source move toward or away from each other Syn|Hyper Doppler effect propagation the movement of a wave through a medium |
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