In the last chapter, we introduce the concept of obstructionset for diffeomorphism and obtain some results on normal sets. We do not prove these results directly.
在第三章我们对离散系统引入了阻碍集的概念,并探讨了在此情形下的正常集的一些理论。
2
A similar obstruction would set back the LHC schedule by weeks.
类似的障碍物会延迟LHC的计划数周。
3
Thus, they see the sun rise later and set earlier than it does for a horizon without obstruction, she said.