cobordism theory

例句：

1. 1. The cobordism theory has been widely applied in thestudy of crystallography.
   共形理论在晶体学研究中得到了广泛的应用。
2. 2. The cobordism theory provides a new perspective forunderstanding the relationship between atoms and molecules.
   共形理论为理解原子与分子之间的关系提供了新的视角。
3. 3. In this paper, we willintroduce the cobordism theory andits applications in the field of materials science.
   本文将介绍共形理论及其在材料科学领域的应用。