Poincare group

例句：

1. 1.The discovery of the Pontecorvo group has revolutionized our understanding of astrophysics.
   庞加莱组的发现已经彻底改变了我们对天体物理学的理解。
2. 2.The Pontecorvo group is a collection of stars that are undergoing a rapid phase of star formation.
   庞加莱组是由正在快速形成恒星的一组星星组成的。
3. 3. The Pontecorvo group is known for its unique properties and has been studied extensively by astronomers.
   庞加莱组因其独特的性质而闻名，已经被天文学家广泛研究。