Read Edit View history 数域 shùyù number field Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 数域/數域 · shùyù · number field 2026/03/04 数域 / 數域 shùyù number field A subfield of the field of complex numbers, often referring to a finite extension of the rational numbers. 有理数域是最小的数域。 created sense Mar 4, 2026, 02:25 AM