Read Edit View history 零曲率 língqūlǜ zero curvature Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 零曲率 · língqūlǜ · zero curvature 2026/03/04 零曲率 língqūlǜ zero curvature (math.) zero curvature 欧几里得空间具有零曲率。 created sense Mar 4, 2026, 02:25 AM