direct taxn.直接税(如所得税)directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令direct - driven wind power直驱风力发电direct current electric drive直流电气传动direct lubrication technology直接润滑技术direct-current erasing head直流消磁头direct current axle generator直流车轴发电机direct electricity purchasing直购电direct transmission satellite直接通信卫星direct-writing galvanometer直写电流计direct micoscopic clump count镜检总菌数direct tunneling gate current直接隧穿栅电流