除了振幅和波长，周期波有它自己的频率。
In addition to amplitude and wavelength, a periodic wave is characterized by its frequency.
一个全介质光学变色颜料颜色旅行取决于振幅变化和颜料的反射峰的波长变化。
The color travel of an all-dielectric optically variable pigment depends on amplitude changes and wavelength shifts in reflectance peaks of the pigment.
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