Read Edit View history 有理数域 yǒulǐshùyù rational field Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 有理数域/有理數域 · yǒulǐshùyù · rational field 2026/03/04 有理数域 / 有理數域 yǒulǐshùyù rational field field of rational numbers (math.), usually denoted by Q 有理数域是代数中一个最基本的数域。 created sense Mar 4, 2026, 02:25 AM