directoty名录directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令direct endorsement[经] 直接背书direct current arc直羚弧direct dry printer直热式干式打印机direct liabilility直接债务direct sound field直达声场direct amperometry直接电流分析法direct germination直接萌发direct access mode直接存取方式directed beam scan受控光束扫描, 直接束扫描directed listening定向倾听, 直接倾听