rational number英 [ˌræʃnəl ˈnʌmbə(r)]美 [ˌræʃnəl ˈnʌmbər]n. 有理数计算机经济牛津词典noun有理数a number that can be expressed as the ratio of two whole numbers英英释义nounan integer or a fractionSynonym:rational双语例句