When bent, a piezoelectric material turns that mechanical energy into electricity.

当这种材料被挤压而发生弯曲时，压电材料就能够将挤压它的机械能转化成电能。

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The oriented, polarized material of liquid crystal polymer can be used as a piezoelectric material, electret material, nonlinear optical element.

热电液晶聚合物还可用作压电、驻极体、非线性光学元件等。

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The Texas A&M and University of Houston researchers focused on a certain type of piezoelectric material, which is able to convert energy when it is manufactured at around 21 nanometers thick.

德克萨斯A&M大学和休斯敦大学的科学家们将研究重点放在一些压电材料上，它们只有21纳米的厚度，却能够转换能量。

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By placing interleaved comb-like electrodes on the surface of lithium niobate, a material that is piezoelectric (and so expands or contracts as a current is passed through it), Dr Wixforth was able to fine-tune the waves to do his bidding.

ECONOMIST: Acoustic microfluidics