| 词汇 | the Doppler effect |
| 释义 | the Dop·pler ef·fectBrE /ˈdɒplə ɪfekt/ NAmE /ˈdɑːplər ɪfekt/ noun [sing. ] (physics物理) the way that sound waves , light waves , etc . change according to the direction that the source is moving in with relation to the person who is observing 多普勒效应(即声波、光波等按声源、光源等相对于观察者的传播方向的变化而变化) |
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