这些晶体通过对声子进行操控来工作；声子是一种振动波，可以携带声音或热量，具体携带什么则取决于其频率的高低【 译者注：声子是晶体点阵振动能的量子 】。

The crystals work by manipulating phonons, or vibrational waves that can carry either sound or heat depending on the frequency.

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那就是晶格点阵的振动数。

That's how many vibrations the lattice has.

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研究了基于振动特性的点阵桁架夹心板损伤识别。

A numerical study for vibration based lattice truss structural damage identification was presented.

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