声波就和光波一样，是以频率、波长和传播速度为其特征。

Like light waves, acoustic (sound) waves are characterized by a frequency, wavelength and propagation speed.

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Just like we see destructive interference with water waves or with light waves, we can also see destructive interference with orbitals.

就像我们看到水波,和光波的相消干涉，我们也可以看到轨道的相消干涉。

麻省理工公开课 - 化学原理课程节选