When the tangential and radial velocity of light source both does not equal 0, the light-wavelength is changeless under certain condition.
当光源的切向速度和视向速度都不为0时，在一定条件下光波波长不变。
When the tangential and radial velocity of light source both does not equal 0, the light-wavelength is changeless under certain condition.
当光源的切向速度和视向速度都不为0时，在一定条件下光波波长不变。
应用推荐