As a liquid, the blue phase shows the 3d-spacegroupsymmetry, just like crystals, which arouses people's interest.
作为一种流体，液晶蓝相能像晶体一样有三维空间群对称性，这引起了人们的广泛兴趣。
2
A quantum group is a deformation of a given classical group, and is such that no classical space can have it as a symmetrygroup.
量子群是已知经典群的变形，所有经典群都无法将其作为对称群。
3
The three-dimensional symmetry of a macromolecular chain was characterized by the line group. Regularities of packing of macromolecular chains in a space group were shown.