象征标志 Symbol Mark ; symbolic tokens ; attribute

群特征标 [数] group character

特征标识符 feature ID

特征标记 feature symbol ; handtekening ; allekirjoitus ; tandatangan

同调特征标 homology character

特征标群 [数] character group

有理特征标 [数] rational character

共轭特征标 conjugate character

约化特征标 [数] reduced character

简单特征标 [数] simple character