first 5-order inherent frequency前五阶固有频率
first order-order phase transition一阶有序有序相变
First-order Logic一阶逻辑;初阶逻辑;以学习初阶逻辑;一阶谓词逻辑
first-order loop一阶环路
first-order cycle一级周期
first-order change第一级改革;层变革;第一层次的变革
first-order fold一级褶皱
first-order approximation一次近似
ADJ(形容词) quantifying only over individuals and not over predicates or clauses: first-order predicate calculus studies the logical properties of such quantification 一阶的 [logic]