in·vari·ance /(ˌ)ɪnˈvɛriən(t)s, ˈvær-/
不變式; 不變性; 不變性質
invariance
不變性
In·va·ri·ance n. Math. The property of remaining invariable under prescribed or implied conditions.
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invariance
n : the quality of being resistant to variation [syn: invariability,
invariableness] [ant: variability, variability]