cobordism group

例句：

1. 1.The study of cobordism is essential for understanding the evolution of life on Earth.
   研究共形群对理解地球上生命演化至关重要。
2. 2.The cobordism group has been working on developing new materials that can withstand high temperatures.
   共形群组一直在研究开发能够承受高温的新材料。
3. 3.The cobordism group's research has led to breakthroughs in the field of nanotechnology.
   共形群组的研究在纳米技术领域取得了突破。