N a thin plate or layer, esp of bone or mineral 薄片; 尤指骨头或矿石
The common hypotheses of the shell structure aren't alterative in the new finite element method and it finishes the solution through the integral of the different laminas.
新单元的计算方法不改变壳体结构的一般假设条件，利用厚度方向分段积分来完成问题的求解，并对层合截锥壳进行计算。
The high-quality source rocks of the lower formation of Es_3, usually with laminated structure, are primarily composed of carbonate laminas and clay laminas with rich organic matter.
沙三段下部优质烃源岩常常呈纹层结构，主要由富有机质的碳酸盐纹层和粘土纹层组成。
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