Read Edit View history 不变量 bùbiànliàng invariant Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 不变量/不變量 · bùbiànliàng · invariant 2026/03/04 不变量 / 不變量 bùbiànliàng invariant A quantity or property that remains unchanged under a specified set of mathematical operations or physical transformations. 在拓扑学中,欧拉示性数是一个重要的不变量。 created sense Mar 4, 2026, 02:25 AM