wave vector group

例句：

1. 1. The wavevector group is responsible for the propagation of waves in a medium.
   波矢量组负责介质中波的传播。
2. 2. In quantummechanics, the wave vector group playsa crucial role in determining the energy levelsof atoms and molecules.
   在量子力学中，波矢量组在确定原子和分子的能量级方面起着至关重要的作用。
3. 3. Thewave vector group is used to calculate thephase shift of light waves in different media.
   波矢量组用于计算不同介质中光波的相位变化。