单词	第十五音
释义	同DOUBLE
随便看	axiomization in economics axiom of betweenness axiom of choice axiom of closure axiom of completeness axiom of congruence axiom of connection axiom of continuity axiom of denumerability axiom of extensionality axiom of incidence axiom of incidence -- incidence axiom axiom of incidence ; incidence axiom axiom of induction axiom of infinity axiom of order axiom of parallel axiom of parallels axiom of reducibility axiom of second countability axiom of second countability -- second axiom of countability axiom of second countability ; second axiom of countability axiom of separation axiom of superposition axiom of union