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) |