Once the material solidifies, this effectively traps different porosity distributions throughout the solid matrix.

一旦物质凝固，整个固体基质中，能够有效出现不同孔隙分布情况。

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In the calculation, both material and geometric nonlinearities are considered. The rolling pressure, friction, front tension and back tension distributions are given.

计算中同时考虑了几何和材料双重非线性的影响，给出了轧制压力、摩擦力和前后张力的分布。

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Phononic crystal is a new functional material consisting of two or more elastic materials with periodic distributions.

声子晶体是由周期性分布的两种或两种以上材料组成的新型功能材料。

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