identification of forgings

例句：

1. 1. The policeare conducting a thorough investigation into the incident.
   警方正在对这起事件进行彻底的调查。
2. 2. The scientist performed an intricate experiment to identify the cause of the disease.
   科学家进行了一项复杂的实验，以确定这种疾病的原因。
3. 3.The company is seeking to identify the source of the leak in its pipeline system.
   该公司正寻求确定其管道系统中泄漏的来源。