Piezoelectric ceramic is a function material which can exchange energy between mechanic and electricity.

压电陶瓷是一种可实现机械能与电能相互转换的功能材料。

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The acceleration follows the mechanic principle, the proton energy increases with the laser intensity while it decreases when the target thickness and density increase.

加速过程符合力学原理，随着激光峰值强度的增加，质子束的能量也随之增加；

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Engineering minimal surface, however, refers to a surface of minimal energy with some mechanic attributes.

而在索膜结构分析中，最小曲面指的是具有某种力学特征的能量最小曲面。

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