yield line theory

例句：

1. 1. The yieldline theory is used to predict the yield strength of materials under different stress conditions.
   屈服线理论用于预测不同应力条件下材料的屈服强度。
2. 2. In yield line theory, the yield point is the maximum value of the yield surface.
   在屈服线理论中，屈服点是屈服面的极大值。
3. 3.The yield line theory has been widely applied in engineering and materials science to understand the behavior of materials under loading.
   屈服线理论在工程和材料科学中被广泛应用，以理解材料在加载下的行为。