precracking

例句：

1. 1. The rock was found to have undergone pre-cracking before the earthquake.
   在地震之前，这块岩石已经发生了预破裂。
2. 2.The process of pre-cracking is crucial for the success of the project.
   预裂解过程对于项目的成功至关重要。
3. 3. The researchers discovered that pre-cracking could reduce the amount of energy needed for the final fracture.
   研究人员发现，预裂解可以减少最终裂解所需的能量。