critical angular momentum

例句：

1. 1.The decision was critical to the success of the project.
   这个决定对项目的成功至关重要。
2. 2.The scientist's research is crucial for understanding the cause of the disease.
   科学家的研究对于理解这种疾病的原因至关重要。
3. 3. The survival of the species is vital for its ability to adapt to changing environments.
   物种的生存对于其适应环境变化的能力至关重要。