direct tan直接棕黄directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令Direct me to the injured.指引我奔赴伤者。direct supporting artillery直接支援炮兵direct nuclear pumped laser直接核抽运激光器direct current interruption直流断路direct over current release过电帘接释放器direct current servo system直流伺服系统direct digital laser logger直接数字激光测井仪direct radiative transition直接辐射跃迁direct exchange interaction直接交换作用direct grain subsidy policy直接补贴