Read Edit View history 下确界 xiàquèjiè infimum Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 下确界/下確界 · xiàquèjiè · infimum 2026/03/04 下确界 / 下確界 xiàquèjiè infimum (math.) infimum; greatest lower bound 这个集合的下确界是零。 created sense Mar 4, 2026, 02:25 AM