Itemset项集itemn.项目；条款；一件商品（或物品）；一则或一条新闻adv.也item-and-arrangement model项目与配列模型item management and controling项目管控items adapted from the theatre戏剧移植节目itemization of education costs教育成本项目设置Item from which to subtract.被减数项。item-chosen for P.E course体育选项课Item Logistics Management Data项目后勤管理数据Item Management Coding Program品目管理编码程序items and contents of experiment实验项目和内容item list of minimum transaction最小事务项目表