Doppler effects的用法和樣例：
例句
- Moreover, since the atoms are in random thermal motion the frequency spectrum will be altered by the Doppler effect.
而且，由於原子是在作無規則熱運動，多普勒效應也會使頻譜發生改變。 - To measurte temperature of gas discharge plasma with Doppler effect by using spectrum diagnosis.
討論了用多普勒效應測量氣體放電等離子體溫度的光譜診斷方法。
