category use类别使用
categoryn.种类;类别;范畴
category forecasting种类预测
category of occasion事件范畴
category alternation类目交替
category specificity范畴特异性
category of manifold流形的范畴
category of relation关系范畴
category of automaton自动机的范畴
Category II stability二类稳定
Category of Conflicts纠纷类型
category with product带积范畴