invariance
特殊用法code invariance1.■电码恒定性ga(u)ge invariance1.■【电】规范不变性geometric(al) invariance1.■几何不变性orientational invariance1.■定向不变性projective invariance1.■射影不变性relativistic invariance1.■相对论性不变性statistical invariance1.■统计不变性topological invariance1.■拓扑不变性