category use类别使用categoryn.种类；类别；范畴category-partition testing范畴划分测试Category for Staffing Format参谋格式种类Category of Political Design政治设计范畴category of political theory政治理论范畴category discriminating word类别区分词category of commutative rings交换环的范畴category A infectious disease甲类传染病category identity information类别身份信息Category and type construction类型结构Category Code Name of Purchase货物类别代码货物名称