automorphism of block design

例句：

1. 1. The automorphism of the group is crucial for its stability.
   群的自同构对于其稳定性至关重要。
2. 2.In mathematics, automorphisms are used to study the properties of groups.
   在数学中，自同构被用来研究群的性质。
3. 3. The automorphism of the block design is important for its efficiency.
   块设计自同构对于其效率很重要。