英语词汇“doppler effect”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	doppler effect
释义	WordReference Random House Unabridged Dictionary of American English © 2024 Dop′pler effect′ (dop′lər),USA pronunciation [Physics.] Physics(often l.c.) the shift in frequency (Dop′pler shift′)of acoustic or electromagnetic radiation emitted by a source moving relative to an observer as perceived by the observer: the shift is to higher frequencies when the source approaches and to lower frequencies when it recedes. named after C. J. Doppler (1803–53), Austrian physicist 1900–05 Collins Concise English Dictionary © HarperCollins Publishers:: Doppler effect /ˈdɒplə/ n a phenomenon, observed for sound waves and electromagnetic radiation, characterized by a change in the apparent frequency of a wave as a result of relative motion between the observer and the source Also called: Doppler shift Etymology: 19th Century: named after C. J. Doppler (1803–53), Austrian physicist
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更新时间：2025/2/23 10:34:41