spectral amplitude

例句：

1. 1. The spectrumof the light reflected from the surface ofthe earth is a measure of its spectralamplitude.
   地球表面反射的光的光谱是其光谱振幅的度量。
2. 2. In the studyof radio waves, spectral amplitude is crucialfor understanding their propagation and interactionwith other electromagnetic waves.
   在无线电波研究中，光谱振幅对于理解它们的传播和与其他电磁波的相互作用至关重要。
3. 3. Themeasurement of spectral amplitude can provide valuable informationabout the energy distribution within the electromagneticspectrum.
   光谱振幅的测量可以提供有关电磁谱内能量分布的宝贵信息。