geometric fixity几何不变性
high fixity高固色率
Fixity Information固化信息
functional fixity功能固定化
liver fixity肝着
Postural Fixity姿势僵化
axial fixity轴向固定
fixity coefficient固定系数
boundary fixity边界刚性
N-UNCOUNT（不可数名词） If you talk about the fixity of something, you talk about the fact that it does not change or weaken. 恒定性 [书面][oft N 'of' n]
She believed in the fixity of the class system.
她坚信阶级制度恒定不变。