Wave number
01
波数, 空间频率
the spatial frequency of a wave, representing the number of wavelengths per unit distance
例子
The wave number of a light wave in vacuum is calculated as the inverse of its wavelength.
真空中光波的波数计算为其波长的倒数。
Infrared spectroscopy uses wave numbers to measure the energy levels and vibrations of molecules.
红外光谱使用波数来测量分子的能级和振动。
