序數: ordinal; ordinal number論: The Analects of Confucius数论: number theory序数: ordinal; ordinal number◇序數詞 ordinal number乘数论: theory of the multiplier函数论: function theory; theory of functions基数论: theory of cardinals距数论: metric number theory实数论: theory of real number数论法: number theoretical method; number-theoretical method数论家: number theorists数论派: samkhya数论师: kapila数论史: history of the theory of numbers: divisibility and primality数论颂: samkhya-karika维数论: dimension theory; theory of dimensions整数论: theory of integers顺序数: ordinal number无序数: unordered tree序数词: ordinal numeral序数的: ordinal序数和: ordinal sum序数积: ordinal product序数类: ordinal number class序数列: ordinal series