As a resul t, nacre thickness is sometimes just a cosmetic layer t hat can wear thin over time.
所以真珠质的厚度就像脸上化妆品，不久就会磨薄了。
The multilayer toughening conch nacre structure bio-inspired ballistic resistant composites which consisted of thin layer ceramic and resin matrix composites were prepared.
将薄层抗弹陶瓷材料与树脂基复合材料通过仿生结构设计制备了软、硬相交替叠合的多层增韧贝壳珍珠层结构仿生复合材料。
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