Read Edit View history 非负数 fēifùshù nonnegative number Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 非负数/非負數 · fēifùshù · nonnegative number 2026/03/04 非负数 / 非負數 fēifùshù nonnegative number A number that is either positive or zero. 在这个公式中，变量x必须是非负数。 created sense Mar 4, 2026, 02:25 AM