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Wave number
01
波数, 波长的倒数
the spatial frequency of a wave, representing the number of wavelengths per unit distance
Example
The wave number of a light wave in vacuum is calculated as the inverse of its wavelength.
光波在真空中的波数是其波长的倒数。
Infrared spectroscopy uses wave numbers to measure the energy levels and vibrations of molecules.
红外光谱利用波数来测量分子的能量水平和振动。
