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1.The wave vector of the light is 2π/λ, where λ is the wavelength.
光的波矢量是2π/λ,其中λ是波长。
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2.In quantum mechanics, a wave vector represents the position and momentum of a particle.
在量子力学中,波矢量表示粒子的位置和动量。
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3. The wave vector determines the frequency of oscillations in a material medium.
波矢量决定了材料介质中的振动频率。