ordinaln.序数词adj.序数的；依次的ordinal utility function顺序效用函数ordinal preference field顺序偏好域ordinal resistance traits抗性等级性状ordinal number of element原子序数ordinal optimization theory序优化理论Ordinal number of a package物件顺序号码Ordinal logistic regression序数逻辑斯蒂回归Ordinal Conditional Function顺序条件函数ordinal number of ordered set有序集的序数Ordinal and Contrary Insertion顺逆序投纬