thick-cylinder theory

例句：

1. 1. The thick-cylinder theory suggests that the material's strength is determined by its internal structure.
   厚壁圆柱理论认为材料的强度取决于其内部结构。
2. 2.In the thick-cylinder theory, the shape of a solid is determined by the distribution of its internal voids.
   在厚壁圆柱理论中，固体的形状由其内部空隙的分布决定。
3. 3. The thick-cylinder theory has been widely used in engineering to predict the mechanical properties of materials.
   厚壁圆柱理论在工程中被广泛应用，用于预测材料的材料属性。