rock mass rating

例句：

1. 1. The geologist conducted a rock mass rating to determine the stability of the site.
   地质学家进行了岩石质量评级，以确定该地点的稳定性。
2. 2.The rock mass rating was crucial in determining the feasibility of the project.
   岩石质量评级在决定项目可行性方面至关重要。
3. 3. The engineer used the rock mass rating to assess the structural integrity of the foundation.
   工程师使用岩石质量评级评估地基的结构完整性。