词汇	up train
释义	up train 基本搭配上行车铁路火车 train up训练培养
随便看	hierarchical data base hierarchical database management system hierarchical data base structure hierarchical data description hierarchical data format hierarchical data manipulation language hierarchical data modal hierarchical data mode hierarchical data model hierarchical data organization hierarchical data structure hierarchical data structures hierarchical DBMS hierarchical DCT hierarchical decentralized control hierarchical decision hierarchical decision making hierarchical decode hierarchical decoder hierarchical decomposition Hierarchical decomposition tree hierarchical dependency model hierarchical description hierarchical design hierarchical design means