opening mode of crack

例句：

1. 1. The engineer analyzed the opening mode ofthe crack to determine its potential impact onthe structure.
   工程师分析了裂缝的开启模式，以确定其对结构的潜在影响。
2. 2. Thestudy focused on understanding the opening mode ofcracks in concrete structures.
   该研究专注于理解混凝土结构中裂缝的开启模式。
3. 3. Theresearcher proposed a new method to predictthe opening mode of cracks based onmachine learning algorithms.
   研究者提出了一种基于机器学习算法的新方法，用于预测裂缝的开启模式。